67507480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 156909600

約数和(自身を除く): 89402120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 379, 488, 584, 610, 730, 758, 1220, 1460, 1516, 1895, 2440, 2920, 3032, 3790, 4453, 7580, 8906, 15160, 17812, 22265, 23119, 27667, 35624, 44530, 46238, 55334, 89060, 92476, 110668, 115595, 138335, 178120, 184952, 221336, 231190, 276670, 462380, 553340, 924760, 1106680, 1687687, 3375374, 6750748, 8438435, 13501496, 16876870, 33753740, 67507480]

約数ペア:

[(1, 67507480), (2, 33753740), (4, 16876870), (5, 13501496), (8, 8438435), (10, 6750748), (20, 3375374), (40, 1687687), (61, 1106680), (73, 924760), (122, 553340), (146, 462380), (244, 276670), (292, 231190), (305, 221336), (365, 184952), (379, 178120), (488, 138335), (584, 115595), (610, 110668), (730, 92476), (758, 89060), (1220, 55334), (1460, 46238), (1516, 44530), (1895, 35624), (2440, 27667), (2920, 23119), (3032, 22265), (3790, 17812), (4453, 15160), (7580, 8906)]