21780772020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:501

約数の個数: 480

約数和(自身を含む): 80364227328

約数和(自身を除く): 58583455308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 73, 81, 83, 84, 90, 105, 108, 126, 135, 140, 146, 162, 166, 180, 189, 210, 219, 249, 252, 270, 292, 315, 317, 324, 332, 365, 378, 405, 415, 420, 438, 498, 511, 540, 567, 581, 630, 634, 657, 730, 747, 756, 810, 830, 876, 945, 951, 996, 1022, 1095, 1134, 1162, 1245, 1260, 1268, 1314, 1460, 1494, 1533, 1585, 1620, 1660, 1743, 1890, 1902, 1971, 2044, 2190, 2219, 2241, 2268, 2324, 2490, 2555, 2628, 2835, 2853, 2905, 2988, 3066, 3170, 3285, 3486, 3735, 3780, 3804, 3942, 4380, 4438, 4482, 4599, 4755, 4980, 5110, 5229, 5670, 5706, 5810, 5913, 6059, 6132, 6340, 6570, 6657, 6723, 6972, 7470, 7665, 7884, 8559, 8715, 8876, 8964, 9198, 9510, 9855, 10220, 10458, 11095, 11205, 11340, 11412, 11620, 11826, 12118, 13140, 13314, 13446, 13797, 14265, 14940, 15330, 15687, 17118, 17430, 18177, 18396, 19020, 19710, 19971, 20916, 22190, 22410, 22995, 23141, 23652, 24236, 25677, 26145, 26311, 26628, 26892, 27594, 28530, 29565, 30295, 30660, 31374, 33285, 33615, 34236, 34860, 36354, 39420, 39942, 41391, 42413, 42795, 44380, 44820, 45990, 46282, 47061, 51354, 52290, 52622, 54531, 55188, 57060, 59130, 59913, 60590, 62748, 66570, 67230, 68985, 69423, 72708, 78435, 78933, 79884, 82782, 84826, 85590, 90885, 91980, 92564, 94122, 99855, 102708, 104580, 105244, 109062, 115705, 118260, 119826, 121180, 127239, 128385, 131555, 133140, 134460, 137970, 138846, 156870, 157866, 161987, 163593, 165564, 169652, 171180, 179739, 181770, 184177, 188244, 199710, 206955, 208269, 212065, 218124, 231410, 235305, 236799, 239652, 254478, 256770, 263110, 272655, 275940, 277692, 299565, 313740, 315732, 323974, 327186, 347115, 359478, 363540, 368354, 381717, 394665, 399420, 413910, 416538, 424130, 462820, 470610, 473598, 485961, 490779, 508956, 513540, 526220, 545310, 552531, 599130, 624807, 636195, 647948, 654372, 694230, 710397, 718956, 736708, 763434, 789330, 809935, 817965, 827820, 833076, 848260, 898695, 920885, 941220, 947196, 971922, 981558, 1041345, 1090620, 1105062, 1145151, 1183995, 1198260, 1249614, 1272390, 1388460, 1420794, 1457883, 1526868, 1578660, 1619870, 1635930, 1657593, 1797390, 1841770, 1874421, 1908585, 1920703, 1943844, 1963116, 2082690, 2131191, 2210124, 2290302, 2367990, 2429805, 2453895, 2499228, 2544780, 2762655, 2841588, 2915766, 3124035, 3239740, 3271860, 3315186, 3435453, 3551985, 3594780, 3683540, 3748842, 3817170, 3841406, 4165380, 4262382, 4373649, 4580604, 4735980, 4859610, 4907790, 4972779, 5525310, 5725755, 5762109, 5831532, 6248070, 6630372, 6870906, 7103970, 7289415, 7497684, 7634340, 7682812, 8287965, 8524764, 8747298, 9372105, 9603515, 9719220, 9815580, 9945558, 10655955, 11050620, 11451510, 11524218, 12496140, 13120947, 13444921, 13741812, 14207940, 14578830, 14918337, 16575930, 17177265, 17286327, 17494596, 18744210, 19207030, 19891116, 21311910, 21868245, 22903020, 23048436, 24863895, 26241894, 26889842, 28810545, 29157660, 29836674, 33151860, 34354530, 34572654, 37488420, 38414060, 40334763, 42623820, 43736490, 49727790, 51858981, 52483788, 53779684, 57621090, 59673348, 65604735, 67224605, 68709060, 69145308, 74591685, 80669526, 86431635, 87472980, 99455580, 103717962, 115242180, 121004289, 131209470, 134449210, 149183370, 155576943, 161339052, 172863270, 201673815, 207435924, 242008578, 259294905, 262418940, 268898420, 298366740, 311153886, 345726540, 363012867, 403347630, 484017156, 518589810, 605021445, 622307772, 726025734, 777884715, 806695260, 1037179620, 1089038601, 1210042890, 1452051468, 1555769430, 1815064335, 2178077202, 2420085780, 3111538860, 3630128670, 4356154404, 5445193005, 7260257340, 10890386010, 21780772020]

約数ペア:

[(1, 21780772020), (2, 10890386010), (3, 7260257340), (4, 5445193005), (5, 4356154404), (6, 3630128670), (7, 3111538860), (9, 2420085780), (10, 2178077202), (12, 1815064335), (14, 1555769430), (15, 1452051468), (18, 1210042890), (20, 1089038601), (21, 1037179620), (27, 806695260), (28, 777884715), (30, 726025734), (35, 622307772), (36, 605021445), (42, 518589810), (45, 484017156), (54, 403347630), (60, 363012867), (63, 345726540), (70, 311153886), (73, 298366740), (81, 268898420), (83, 262418940), (84, 259294905), (90, 242008578), (105, 207435924), (108, 201673815), (126, 172863270), (135, 161339052), (140, 155576943), (146, 149183370), (162, 134449210), (166, 131209470), (180, 121004289), (189, 115242180), (210, 103717962), (219, 99455580), (249, 87472980), (252, 86431635), (270, 80669526), (292, 74591685), (315, 69145308), (317, 68709060), (324, 67224605), (332, 65604735), (365, 59673348), (378, 57621090), (405, 53779684), (415, 52483788), (420, 51858981), (438, 49727790), (498, 43736490), (511, 42623820), (540, 40334763), (567, 38414060), (581, 37488420), (630, 34572654), (634, 34354530), (657, 33151860), (730, 29836674), (747, 29157660), (756, 28810545), (810, 26889842), (830, 26241894), (876, 24863895), (945, 23048436), (951, 22903020), (996, 21868245), (1022, 21311910), (1095, 19891116), (1134, 19207030), (1162, 18744210), (1245, 17494596), (1260, 17286327), (1268, 17177265), (1314, 16575930), (1460, 14918337), (1494, 14578830), (1533, 14207940), (1585, 13741812), (1620, 13444921), (1660, 13120947), (1743, 12496140), (1890, 11524218), (1902, 11451510), (1971, 11050620), (2044, 10655955), (2190, 9945558), (2219, 9815580), (2241, 9719220), (2268, 9603515), (2324, 9372105), (2490, 8747298), (2555, 8524764), (2628, 8287965), (2835, 7682812), (2853, 7634340), (2905, 7497684), (2988, 7289415), (3066, 7103970), (3170, 6870906), (3285, 6630372), (3486, 6248070), (3735, 5831532), (3780, 5762109), (3804, 5725755), (3942, 5525310), (4380, 4972779), (4438, 4907790), (4482, 4859610), (4599, 4735980), (4755, 4580604), (4980, 4373649), (5110, 4262382), (5229, 4165380), (5670, 3841406), (5706, 3817170), (5810, 3748842), (5913, 3683540), (6059, 3594780), (6132, 3551985), (6340, 3435453), (6570, 3315186), (6657, 3271860), (6723, 3239740), (6972, 3124035), (7470, 2915766), (7665, 2841588), (7884, 2762655), (8559, 2544780), (8715, 2499228), (8876, 2453895), (8964, 2429805), (9198, 2367990), (9510, 2290302), (9855, 2210124), (10220, 2131191), (10458, 2082690), (11095, 1963116), (11205, 1943844), (11340, 1920703), (11412, 1908585), (11620, 1874421), (11826, 1841770), (12118, 1797390), (13140, 1657593), (13314, 1635930), (13446, 1619870), (13797, 1578660), (14265, 1526868), (14940, 1457883), (15330, 1420794), (15687, 1388460), (17118, 1272390), (17430, 1249614), (18177, 1198260), (18396, 1183995), (19020, 1145151), (19710, 1105062), (19971, 1090620), (20916, 1041345), (22190, 981558), (22410, 971922), (22995, 947196), (23141, 941220), (23652, 920885), (24236, 898695), (25677, 848260), (26145, 833076), (26311, 827820), (26628, 817965), (26892, 809935), (27594, 789330), (28530, 763434), (29565, 736708), (30295, 718956), (30660, 710397), (31374, 694230), (33285, 654372), (33615, 647948), (34236, 636195), (34860, 624807), (36354, 599130), (39420, 552531), (39942, 545310), (41391, 526220), (42413, 513540), (42795, 508956), (44380, 490779), (44820, 485961), (45990, 473598), (46282, 470610), (47061, 462820), (51354, 424130), (52290, 416538), (52622, 413910), (54531, 399420), (55188, 394665), (57060, 381717), (59130, 368354), (59913, 363540), (60590, 359478), (62748, 347115), (66570, 327186), (67230, 323974), (68985, 315732), (69423, 313740), (72708, 299565), (78435, 277692), (78933, 275940), (79884, 272655), (82782, 263110), (84826, 256770), (85590, 254478), (90885, 239652), (91980, 236799), (92564, 235305), (94122, 231410), (99855, 218124), (102708, 212065), (104580, 208269), (105244, 206955), (109062, 199710), (115705, 188244), (118260, 184177), (119826, 181770), (121180, 179739), (127239, 171180), (128385, 169652), (131555, 165564), (133140, 163593), (134460, 161987), (137970, 157866), (138846, 156870)]