31087420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 90316800

約数和(自身を除く): 59229380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 29, 31, 35, 38, 52, 58, 62, 65, 70, 76, 91, 95, 116, 124, 130, 133, 140, 145, 155, 182, 190, 203, 217, 247, 260, 266, 290, 310, 364, 377, 380, 403, 406, 434, 455, 494, 532, 551, 580, 589, 620, 665, 754, 806, 812, 868, 899, 910, 988, 1015, 1085, 1102, 1178, 1235, 1330, 1508, 1612, 1729, 1798, 1820, 1885, 2015, 2030, 2170, 2204, 2356, 2470, 2639, 2660, 2755, 2821, 2945, 3458, 3596, 3770, 3857, 4030, 4060, 4123, 4340, 4495, 4940, 5278, 5510, 5642, 5890, 6293, 6916, 7163, 7540, 7657, 7714, 8060, 8246, 8645, 8990, 10556, 11020, 11284, 11687, 11780, 12586, 13195, 14105, 14326, 15314, 15428, 16492, 17081, 17290, 17980, 19285, 20615, 23374, 25172, 26390, 28210, 28652, 30628, 31465, 34162, 34580, 35815, 38285, 38570, 41230, 46748, 50141, 52780, 53599, 56420, 58435, 62930, 68324, 71630, 76570, 77140, 81809, 82460, 85405, 100282, 107198, 116870, 119567, 125860, 143260, 153140, 163618, 170810, 200564, 214396, 222053, 233740, 239134, 250705, 267995, 327236, 341620, 409045, 444106, 478268, 501410, 535990, 597835, 818090, 888212, 1002820, 1071980, 1110265, 1195670, 1554371, 1636180, 2220530, 2391340, 3108742, 4441060, 6217484, 7771855, 15543710, 31087420]

約数ペア:

[(1, 31087420), (2, 15543710), (4, 7771855), (5, 6217484), (7, 4441060), (10, 3108742), (13, 2391340), (14, 2220530), (19, 1636180), (20, 1554371), (26, 1195670), (28, 1110265), (29, 1071980), (31, 1002820), (35, 888212), (38, 818090), (52, 597835), (58, 535990), (62, 501410), (65, 478268), (70, 444106), (76, 409045), (91, 341620), (95, 327236), (116, 267995), (124, 250705), (130, 239134), (133, 233740), (140, 222053), (145, 214396), (155, 200564), (182, 170810), (190, 163618), (203, 153140), (217, 143260), (247, 125860), (260, 119567), (266, 116870), (290, 107198), (310, 100282), (364, 85405), (377, 82460), (380, 81809), (403, 77140), (406, 76570), (434, 71630), (455, 68324), (494, 62930), (532, 58435), (551, 56420), (580, 53599), (589, 52780), (620, 50141), (665, 46748), (754, 41230), (806, 38570), (812, 38285), (868, 35815), (899, 34580), (910, 34162), (988, 31465), (1015, 30628), (1085, 28652), (1102, 28210), (1178, 26390), (1235, 25172), (1330, 23374), (1508, 20615), (1612, 19285), (1729, 17980), (1798, 17290), (1820, 17081), (1885, 16492), (2015, 15428), (2030, 15314), (2170, 14326), (2204, 14105), (2356, 13195), (2470, 12586), (2639, 11780), (2660, 11687), (2755, 11284), (2821, 11020), (2945, 10556), (3458, 8990), (3596, 8645), (3770, 8246), (3857, 8060), (4030, 7714), (4060, 7657), (4123, 7540), (4340, 7163), (4495, 6916), (4940, 6293), (5278, 5890), (5510, 5642)]