76320760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 180345600

約数和(自身を除く): 104024840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1009, 1220, 1240, 1891, 2018, 2440, 3782, 4036, 5045, 7564, 8072, 9455, 10090, 15128, 18910, 20180, 31279, 37820, 40360, 61549, 62558, 75640, 123098, 125116, 156395, 246196, 250232, 307745, 312790, 492392, 615490, 625580, 1230980, 1251160, 1908019, 2461960, 3816038, 7632076, 9540095, 15264152, 19080190, 38160380, 76320760]

約数ペア:

[(1, 76320760), (2, 38160380), (4, 19080190), (5, 15264152), (8, 9540095), (10, 7632076), (20, 3816038), (31, 2461960), (40, 1908019), (61, 1251160), (62, 1230980), (122, 625580), (124, 615490), (155, 492392), (244, 312790), (248, 307745), (305, 250232), (310, 246196), (488, 156395), (610, 125116), (620, 123098), (1009, 75640), (1220, 62558), (1240, 61549), (1891, 40360), (2018, 37820), (2440, 31279), (3782, 20180), (4036, 18910), (5045, 15128), (7564, 10090), (8072, 9455)]