19911225180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1290

約数の個数: 576

約数和(自身を含む): 78121774080

約数和(自身を除く): 58210548900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 19, 20, 21, 22, 28, 30, 33, 34, 35, 38, 42, 44, 51, 55, 57, 60, 66, 68, 70, 76, 77, 84, 85, 95, 102, 105, 110, 114, 119, 121, 132, 133, 140, 154, 165, 170, 187, 190, 204, 209, 210, 220, 228, 231, 238, 242, 255, 266, 285, 308, 323, 330, 340, 357, 363, 374, 380, 385, 399, 418, 420, 462, 476, 484, 510, 532, 561, 570, 595, 605, 627, 646, 660, 665, 714, 726, 748, 770, 798, 836, 847, 924, 935, 969, 1020, 1045, 1122, 1140, 1155, 1190, 1210, 1213, 1254, 1292, 1309, 1330, 1428, 1452, 1463, 1540, 1596, 1615, 1694, 1785, 1815, 1870, 1938, 1995, 2057, 2090, 2244, 2261, 2299, 2310, 2380, 2420, 2426, 2508, 2541, 2618, 2660, 2805, 2926, 3135, 3230, 3388, 3553, 3570, 3630, 3639, 3740, 3876, 3927, 3990, 4114, 4180, 4235, 4389, 4522, 4598, 4620, 4845, 4852, 5082, 5236, 5610, 5852, 6065, 6171, 6270, 6460, 6545, 6783, 6897, 7106, 7140, 7260, 7278, 7315, 7854, 7980, 8228, 8470, 8491, 8778, 9044, 9196, 9690, 10164, 10285, 10659, 11220, 11305, 11495, 12130, 12342, 12540, 12705, 13090, 13343, 13566, 13794, 14212, 14399, 14556, 14630, 15708, 16093, 16940, 16982, 17556, 17765, 18195, 19380, 19635, 20570, 20621, 21318, 21945, 22610, 22990, 23047, 24260, 24684, 24871, 25410, 25473, 26180, 26686, 27132, 27588, 28798, 29260, 30855, 32186, 33915, 33964, 34485, 35530, 36390, 39083, 39270, 40029, 41140, 41242, 42455, 42636, 43197, 43890, 45220, 45980, 46094, 48279, 49742, 50820, 50946, 53295, 53372, 57596, 61710, 61863, 64372, 66715, 67830, 68970, 69141, 71060, 71995, 72780, 74613, 78166, 78540, 80058, 80465, 82484, 84910, 86394, 87780, 92188, 93401, 96558, 99484, 101892, 103105, 106590, 115235, 117249, 123420, 123726, 124355, 127365, 133430, 135660, 137940, 138282, 143990, 144347, 146773, 149226, 156332, 160116, 160930, 161329, 169820, 172788, 186802, 193116, 195415, 200145, 206210, 213180, 215985, 226831, 230470, 234498, 241395, 247452, 248710, 253517, 254730, 266860, 273581, 276564, 280203, 287980, 288694, 293546, 298452, 309315, 321860, 322658, 345705, 373065, 373604, 390830, 391799, 400290, 412420, 431970, 433041, 440319, 453662, 460940, 467005, 468996, 482790, 483987, 497420, 507034, 509460, 547162, 560406, 577388, 586245, 587092, 618630, 645316, 680493, 691410, 721735, 733865, 746130, 760551, 781660, 783598, 800580, 806645, 820743, 863940, 866082, 880638, 907324, 934010, 965580, 967974, 1014068, 1027411, 1094324, 1120812, 1134155, 1172490, 1175397, 1237260, 1267585, 1360986, 1367905, 1382820, 1401015, 1443470, 1467730, 1492260, 1521102, 1567196, 1587817, 1613290, 1641486, 1732164, 1761276, 1774619, 1868020, 1935948, 1958995, 2054822, 2165205, 2201595, 2268310, 2344980, 2350794, 2419935, 2495141, 2535170, 2721972, 2735810, 2742593, 2788687, 2802030, 2886940, 2935460, 3042204, 3082233, 3175634, 3226580, 3282972, 3402465, 3549238, 3802755, 3917990, 4103715, 4109644, 4309789, 4330410, 4403190, 4536620, 4701588, 4763451, 4839870, 4990282, 5070340, 5137055, 5323857, 5471620, 5485186, 5577374, 5604060, 5876985, 6164466, 6351268, 6804930, 7098476, 7485423, 7605510, 7835980, 7939085, 8207430, 8227779, 8366061, 8619578, 8660820, 8806380, 8873095, 9526902, 9679740, 9980564, 10274110, 10647714, 10970372, 11154748, 11753970, 12328932, 12475705, 12929367, 13609860, 13712965, 13943435, 14970846, 15211020, 15411165, 15878170, 16414860, 16455558, 16732122, 17239156, 17465987, 17746190, 19053804, 19520809, 20548220, 21295428, 21548945, 23507940, 23817255, 24951410, 25858734, 26619285, 27425930, 27886870, 29941692, 30168523, 30822330, 31756340, 32911116, 33464244, 34931974, 35492380, 37427115, 39041618, 41138895, 41830305, 43097890, 47407679, 47634510, 49902820, 51717468, 52397961, 53238570, 54851860, 55773740, 58562427, 60337046, 61644660, 64646835, 69863948, 74854230, 78083236, 82277790, 83660610, 86195780, 87329935, 90505569, 94815358, 95269020, 97604045, 104795922, 106477140, 117124854, 120674092, 129293670, 142223037, 149708460, 150842615, 164555580, 167321220, 174659870, 181011138, 189630716, 195208090, 209591844, 234249708, 237038395, 258587340, 261989805, 284446074, 292812135, 301685230, 331853753, 349319740, 362022276, 390416180, 452527845, 474076790, 523979610, 568892148, 585624270, 603370460, 663707506, 711115185, 905055690, 948153580, 995561259, 1047959220, 1171248540, 1327415012, 1422230370, 1659268765, 1810111380, 1991122518, 2844460740, 3318537530, 3982245036, 4977806295, 6637075060, 9955612590, 19911225180]

約数ペア:

[(1, 19911225180), (2, 9955612590), (3, 6637075060), (4, 4977806295), (5, 3982245036), (6, 3318537530), (7, 2844460740), (10, 1991122518), (11, 1810111380), (12, 1659268765), (14, 1422230370), (15, 1327415012), (17, 1171248540), (19, 1047959220), (20, 995561259), (21, 948153580), (22, 905055690), (28, 711115185), (30, 663707506), (33, 603370460), (34, 585624270), (35, 568892148), (38, 523979610), (42, 474076790), (44, 452527845), (51, 390416180), (55, 362022276), (57, 349319740), (60, 331853753), (66, 301685230), (68, 292812135), (70, 284446074), (76, 261989805), (77, 258587340), (84, 237038395), (85, 234249708), (95, 209591844), (102, 195208090), (105, 189630716), (110, 181011138), (114, 174659870), (119, 167321220), (121, 164555580), (132, 150842615), (133, 149708460), (140, 142223037), (154, 129293670), (165, 120674092), (170, 117124854), (187, 106477140), (190, 104795922), (204, 97604045), (209, 95269020), (210, 94815358), (220, 90505569), (228, 87329935), (231, 86195780), (238, 83660610), (242, 82277790), (255, 78083236), (266, 74854230), (285, 69863948), (308, 64646835), (323, 61644660), (330, 60337046), (340, 58562427), (357, 55773740), (363, 54851860), (374, 53238570), (380, 52397961), (385, 51717468), (399, 49902820), (418, 47634510), (420, 47407679), (462, 43097890), (476, 41830305), (484, 41138895), (510, 39041618), (532, 37427115), (561, 35492380), (570, 34931974), (595, 33464244), (605, 32911116), (627, 31756340), (646, 30822330), (660, 30168523), (665, 29941692), (714, 27886870), (726, 27425930), (748, 26619285), (770, 25858734), (798, 24951410), (836, 23817255), (847, 23507940), (924, 21548945), (935, 21295428), (969, 20548220), (1020, 19520809), (1045, 19053804), (1122, 17746190), (1140, 17465987), (1155, 17239156), (1190, 16732122), (1210, 16455558), (1213, 16414860), (1254, 15878170), (1292, 15411165), (1309, 15211020), (1330, 14970846), (1428, 13943435), (1452, 13712965), (1463, 13609860), (1540, 12929367), (1596, 12475705), (1615, 12328932), (1694, 11753970), (1785, 11154748), (1815, 10970372), (1870, 10647714), (1938, 10274110), (1995, 9980564), (2057, 9679740), (2090, 9526902), (2244, 8873095), (2261, 8806380), (2299, 8660820), (2310, 8619578), (2380, 8366061), (2420, 8227779), (2426, 8207430), (2508, 7939085), (2541, 7835980), (2618, 7605510), (2660, 7485423), (2805, 7098476), (2926, 6804930), (3135, 6351268), (3230, 6164466), (3388, 5876985), (3553, 5604060), (3570, 5577374), (3630, 5485186), (3639, 5471620), (3740, 5323857), (3876, 5137055), (3927, 5070340), (3990, 4990282), (4114, 4839870), (4180, 4763451), (4235, 4701588), (4389, 4536620), (4522, 4403190), (4598, 4330410), (4620, 4309789), (4845, 4109644), (4852, 4103715), (5082, 3917990), (5236, 3802755), (5610, 3549238), (5852, 3402465), (6065, 3282972), (6171, 3226580), (6270, 3175634), (6460, 3082233), (6545, 3042204), (6783, 2935460), (6897, 2886940), (7106, 2802030), (7140, 2788687), (7260, 2742593), (7278, 2735810), (7315, 2721972), (7854, 2535170), (7980, 2495141), (8228, 2419935), (8470, 2350794), (8491, 2344980), (8778, 2268310), (9044, 2201595), (9196, 2165205), (9690, 2054822), (10164, 1958995), (10285, 1935948), (10659, 1868020), (11220, 1774619), (11305, 1761276), (11495, 1732164), (12130, 1641486), (12342, 1613290), (12540, 1587817), (12705, 1567196), (13090, 1521102), (13343, 1492260), (13566, 1467730), (13794, 1443470), (14212, 1401015), (14399, 1382820), (14556, 1367905), (14630, 1360986), (15708, 1267585), (16093, 1237260), (16940, 1175397), (16982, 1172490), (17556, 1134155), (17765, 1120812), (18195, 1094324), (19380, 1027411), (19635, 1014068), (20570, 967974), (20621, 965580), (21318, 934010), (21945, 907324), (22610, 880638), (22990, 866082), (23047, 863940), (24260, 820743), (24684, 806645), (24871, 800580), (25410, 783598), (25473, 781660), (26180, 760551), (26686, 746130), (27132, 733865), (27588, 721735), (28798, 691410), (29260, 680493), (30855, 645316), (32186, 618630), (33915, 587092), (33964, 586245), (34485, 577388), (35530, 560406), (36390, 547162), (39083, 509460), (39270, 507034), (40029, 497420), (41140, 483987), (41242, 482790), (42455, 468996), (42636, 467005), (43197, 460940), (43890, 453662), (45220, 440319), (45980, 433041), (46094, 431970), (48279, 412420), (49742, 400290), (50820, 391799), (50946, 390830), (53295, 373604), (53372, 373065), (57596, 345705), (61710, 322658), (61863, 321860), (64372, 309315), (66715, 298452), (67830, 293546), (68970, 288694), (69141, 287980), (71060, 280203), (71995, 276564), (72780, 273581), (74613, 266860), (78166, 254730), (78540, 253517), (80058, 248710), (80465, 247452), (82484, 241395), (84910, 234498), (86394, 230470), (87780, 226831), (92188, 215985), (93401, 213180), (96558, 206210), (99484, 200145), (101892, 195415), (103105, 193116), (106590, 186802), (115235, 172788), (117249, 169820), (123420, 161329), (123726, 160930), (124355, 160116), (127365, 156332), (133430, 149226), (135660, 146773), (137940, 144347), (138282, 143990)]