161631210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 285436950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 31, 39, 58, 62, 65, 78, 87, 93, 130, 145, 155, 174, 186, 195, 290, 310, 377, 390, 403, 435, 461, 465, 754, 806, 870, 899, 922, 930, 1131, 1209, 1383, 1798, 1885, 2015, 2262, 2305, 2418, 2697, 2766, 3770, 4030, 4495, 4610, 5394, 5655, 5993, 6045, 6915, 8990, 11310, 11687, 11986, 12090, 13369, 13485, 13830, 14291, 17979, 23374, 26738, 26970, 28582, 29965, 35061, 35958, 40107, 42873, 58435, 59930, 66845, 70122, 71455, 80214, 85746, 89895, 116870, 133690, 142910, 173797, 175305, 179790, 185783, 200535, 214365, 347594, 350610, 371566, 401070, 414439, 428730, 521391, 557349, 828878, 868985, 928915, 1042782, 1114698, 1243317, 1737970, 1857830, 2072195, 2486634, 2606955, 2786745, 4144390, 5213910, 5387707, 5573490, 6216585, 10775414, 12433170, 16163121, 26938535, 32326242, 53877070, 80815605, 161631210]

約数ペア:

[(1, 161631210), (2, 80815605), (3, 53877070), (5, 32326242), (6, 26938535), (10, 16163121), (13, 12433170), (15, 10775414), (26, 6216585), (29, 5573490), (30, 5387707), (31, 5213910), (39, 4144390), (58, 2786745), (62, 2606955), (65, 2486634), (78, 2072195), (87, 1857830), (93, 1737970), (130, 1243317), (145, 1114698), (155, 1042782), (174, 928915), (186, 868985), (195, 828878), (290, 557349), (310, 521391), (377, 428730), (390, 414439), (403, 401070), (435, 371566), (461, 350610), (465, 347594), (754, 214365), (806, 200535), (870, 185783), (899, 179790), (922, 175305), (930, 173797), (1131, 142910), (1209, 133690), (1383, 116870), (1798, 89895), (1885, 85746), (2015, 80214), (2262, 71455), (2305, 70122), (2418, 66845), (2697, 59930), (2766, 58435), (3770, 42873), (4030, 40107), (4495, 35958), (4610, 35061), (5394, 29965), (5655, 28582), (5993, 26970), (6045, 26738), (6915, 23374), (8990, 17979), (11310, 14291), (11687, 13830), (11986, 13485), (12090, 13369)]