640254780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 480

約数和(自身を含む): 2419845120

約数和(自身を除く): 1779590340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 31, 33, 36, 38, 44, 45, 54, 55, 57, 60, 61, 62, 66, 76, 81, 90, 93, 95, 99, 108, 110, 114, 122, 124, 132, 135, 155, 162, 165, 171, 180, 183, 186, 190, 198, 209, 220, 228, 244, 270, 279, 285, 297, 305, 310, 324, 330, 341, 342, 366, 372, 380, 396, 405, 418, 465, 495, 513, 540, 549, 558, 570, 589, 594, 610, 620, 627, 660, 671, 682, 684, 732, 810, 836, 837, 855, 891, 915, 930, 990, 1023, 1026, 1045, 1098, 1116, 1140, 1159, 1178, 1188, 1220, 1254, 1342, 1364, 1395, 1485, 1539, 1620, 1647, 1674, 1705, 1710, 1767, 1782, 1830, 1860, 1881, 1891, 1980, 2013, 2046, 2052, 2090, 2196, 2318, 2356, 2508, 2511, 2565, 2684, 2745, 2790, 2945, 2970, 3069, 3078, 3135, 3294, 3348, 3355, 3410, 3420, 3477, 3534, 3564, 3660, 3762, 3782, 4026, 4092, 4180, 4185, 4455, 4636, 4941, 5022, 5115, 5130, 5301, 5490, 5580, 5643, 5673, 5795, 5890, 5940, 6039, 6138, 6156, 6270, 6479, 6588, 6710, 6820, 6954, 7068, 7524, 7564, 7695, 8052, 8235, 8370, 8835, 8910, 9207, 9405, 9455, 9882, 10044, 10065, 10230, 10260, 10431, 10602, 10980, 11286, 11346, 11590, 11780, 12078, 12276, 12540, 12555, 12749, 12958, 13420, 13908, 15345, 15390, 15903, 16470, 16740, 16929, 17019, 17385, 17670, 17820, 18117, 18414, 18810, 18910, 19437, 19764, 20130, 20460, 20801, 20862, 21204, 22572, 22692, 23180, 24156, 24705, 25110, 25498, 25916, 26505, 27621, 28215, 28365, 30195, 30690, 30780, 31293, 31806, 32395, 32940, 33858, 34038, 34770, 35340, 35929, 36234, 36828, 37620, 37820, 38247, 38874, 40260, 41602, 41724, 46035, 47709, 49410, 50220, 50996, 51057, 52155, 53010, 54351, 55242, 56430, 56730, 58311, 60390, 61380, 62403, 62586, 63612, 63745, 64790, 67716, 68076, 69540, 71858, 72468, 76494, 77748, 79515, 83204, 84645, 85095, 90585, 92070, 93879, 95418, 97185, 98820, 102114, 104005, 104310, 106020, 107787, 108702, 110484, 112860, 113460, 114741, 116622, 120780, 124806, 125172, 127490, 129580, 138105, 143716, 152988, 153171, 156465, 159030, 169290, 170190, 174933, 179645, 181170, 184140, 187209, 187758, 190836, 191235, 194370, 204228, 208010, 208620, 215574, 217404, 229482, 233244, 238545, 249612, 254980, 255285, 271755, 276210, 291555, 306342, 312015, 312930, 318060, 323361, 338580, 340380, 344223, 349866, 359290, 362340, 374418, 375516, 382470, 388740, 395219, 416020, 431148, 458964, 469395, 477090, 510570, 524799, 538935, 543510, 552420, 561627, 573705, 583110, 612684, 624030, 625860, 646722, 688446, 699732, 718580, 748836, 764940, 765855, 790438, 874665, 936045, 938790, 954180, 970083, 1021140, 1032669, 1049598, 1077870, 1087020, 1123254, 1147410, 1166220, 1185657, 1248060, 1293444, 1376892, 1531710, 1580876, 1616805, 1684881, 1721115, 1749330, 1872090, 1877580, 1940166, 1976095, 2065338, 2099196, 2155740, 2246508, 2294820, 2371314, 2623995, 2808135, 2910249, 3063420, 3233610, 3369762, 3442230, 3498660, 3556971, 3744180, 3880332, 3952190, 4130676, 4742628, 4850415, 5163345, 5247990, 5616270, 5820498, 5928285, 6467220, 6739524, 6884460, 7113942, 7904380, 8424405, 9700830, 10326690, 10495980, 10670913, 11232540, 11640996, 11856570, 14227884, 14551245, 16848810, 17784855, 19401660, 20653380, 21341826, 23713140, 29102490, 32012739, 33697620, 35569710, 42683652, 53354565, 58204980, 64025478, 71139420, 106709130, 128050956, 160063695, 213418260, 320127390, 640254780]

約数ペア:

[(1, 640254780), (2, 320127390), (3, 213418260), (4, 160063695), (5, 128050956), (6, 106709130), (9, 71139420), (10, 64025478), (11, 58204980), (12, 53354565), (15, 42683652), (18, 35569710), (19, 33697620), (20, 32012739), (22, 29102490), (27, 23713140), (30, 21341826), (31, 20653380), (33, 19401660), (36, 17784855), (38, 16848810), (44, 14551245), (45, 14227884), (54, 11856570), (55, 11640996), (57, 11232540), (60, 10670913), (61, 10495980), (62, 10326690), (66, 9700830), (76, 8424405), (81, 7904380), (90, 7113942), (93, 6884460), (95, 6739524), (99, 6467220), (108, 5928285), (110, 5820498), (114, 5616270), (122, 5247990), (124, 5163345), (132, 4850415), (135, 4742628), (155, 4130676), (162, 3952190), (165, 3880332), (171, 3744180), (180, 3556971), (183, 3498660), (186, 3442230), (190, 3369762), (198, 3233610), (209, 3063420), (220, 2910249), (228, 2808135), (244, 2623995), (270, 2371314), (279, 2294820), (285, 2246508), (297, 2155740), (305, 2099196), (310, 2065338), (324, 1976095), (330, 1940166), (341, 1877580), (342, 1872090), (366, 1749330), (372, 1721115), (380, 1684881), (396, 1616805), (405, 1580876), (418, 1531710), (465, 1376892), (495, 1293444), (513, 1248060), (540, 1185657), (549, 1166220), (558, 1147410), (570, 1123254), (589, 1087020), (594, 1077870), (610, 1049598), (620, 1032669), (627, 1021140), (660, 970083), (671, 954180), (682, 938790), (684, 936045), (732, 874665), (810, 790438), (836, 765855), (837, 764940), (855, 748836), (891, 718580), (915, 699732), (930, 688446), (990, 646722), (1023, 625860), (1026, 624030), (1045, 612684), (1098, 583110), (1116, 573705), (1140, 561627), (1159, 552420), (1178, 543510), (1188, 538935), (1220, 524799), (1254, 510570), (1342, 477090), (1364, 469395), (1395, 458964), (1485, 431148), (1539, 416020), (1620, 395219), (1647, 388740), (1674, 382470), (1705, 375516), (1710, 374418), (1767, 362340), (1782, 359290), (1830, 349866), (1860, 344223), (1881, 340380), (1891, 338580), (1980, 323361), (2013, 318060), (2046, 312930), (2052, 312015), (2090, 306342), (2196, 291555), (2318, 276210), (2356, 271755), (2508, 255285), (2511, 254980), (2565, 249612), (2684, 238545), (2745, 233244), (2790, 229482), (2945, 217404), (2970, 215574), (3069, 208620), (3078, 208010), (3135, 204228), (3294, 194370), (3348, 191235), (3355, 190836), (3410, 187758), (3420, 187209), (3477, 184140), (3534, 181170), (3564, 179645), (3660, 174933), (3762, 170190), (3782, 169290), (4026, 159030), (4092, 156465), (4180, 153171), (4185, 152988), (4455, 143716), (4636, 138105), (4941, 129580), (5022, 127490), (5115, 125172), (5130, 124806), (5301, 120780), (5490, 116622), (5580, 114741), (5643, 113460), (5673, 112860), (5795, 110484), (5890, 108702), (5940, 107787), (6039, 106020), (6138, 104310), (6156, 104005), (6270, 102114), (6479, 98820), (6588, 97185), (6710, 95418), (6820, 93879), (6954, 92070), (7068, 90585), (7524, 85095), (7564, 84645), (7695, 83204), (8052, 79515), (8235, 77748), (8370, 76494), (8835, 72468), (8910, 71858), (9207, 69540), (9405, 68076), (9455, 67716), (9882, 64790), (10044, 63745), (10065, 63612), (10230, 62586), (10260, 62403), (10431, 61380), (10602, 60390), (10980, 58311), (11286, 56730), (11346, 56430), (11590, 55242), (11780, 54351), (12078, 53010), (12276, 52155), (12540, 51057), (12555, 50996), (12749, 50220), (12958, 49410), (13420, 47709), (13908, 46035), (15345, 41724), (15390, 41602), (15903, 40260), (16470, 38874), (16740, 38247), (16929, 37820), (17019, 37620), (17385, 36828), (17670, 36234), (17820, 35929), (18117, 35340), (18414, 34770), (18810, 34038), (18910, 33858), (19437, 32940), (19764, 32395), (20130, 31806), (20460, 31293), (20801, 30780), (20862, 30690), (21204, 30195), (22572, 28365), (22692, 28215), (23180, 27621), (24156, 26505), (24705, 25916), (25110, 25498)]