172361240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1433}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 404732160

約数和(自身を除く): 232370920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1433, 1940, 2866, 3007, 3880, 5732, 6014, 7165, 11464, 12028, 14330, 15035, 24056, 28660, 30070, 44423, 57320, 60140, 88846, 120280, 139001, 177692, 222115, 278002, 355384, 444230, 556004, 695005, 888460, 1112008, 1390010, 1776920, 2780020, 4309031, 5560040, 8618062, 17236124, 21545155, 34472248, 43090310, 86180620, 172361240]

約数ペア:

[(1, 172361240), (2, 86180620), (4, 43090310), (5, 34472248), (8, 21545155), (10, 17236124), (20, 8618062), (31, 5560040), (40, 4309031), (62, 2780020), (97, 1776920), (124, 1390010), (155, 1112008), (194, 888460), (248, 695005), (310, 556004), (388, 444230), (485, 355384), (620, 278002), (776, 222115), (970, 177692), (1240, 139001), (1433, 120280), (1940, 88846), (2866, 60140), (3007, 57320), (3880, 44423), (5732, 30070), (6014, 28660), (7165, 24056), (11464, 15035), (12028, 14330)]