31345160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10177}}^1$

素因数の和:10206

約数の個数: 64

約数和(自身を含む): 87937920

約数和(自身を除く): 56592760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10177, 20354, 40708, 50885, 71239, 81416, 101770, 111947, 142478, 203540, 223894, 284956, 356195, 407080, 447788, 559735, 569912, 712390, 783629, 895576, 1119470, 1424780, 1567258, 2238940, 2849560, 3134516, 3918145, 4477880, 6269032, 7836290, 15672580, 31345160]

約数ペア:

[(1, 31345160), (2, 15672580), (4, 7836290), (5, 6269032), (7, 4477880), (8, 3918145), (10, 3134516), (11, 2849560), (14, 2238940), (20, 1567258), (22, 1424780), (28, 1119470), (35, 895576), (40, 783629), (44, 712390), (55, 569912), (56, 559735), (70, 447788), (77, 407080), (88, 356195), (110, 284956), (140, 223894), (154, 203540), (220, 142478), (280, 111947), (308, 101770), (385, 81416), (440, 71239), (616, 50885), (770, 40708), (1540, 20354), (3080, 10177)]