643040.0000000

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 25159680

約数和(自身を除く): 15280950

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 103, 115, 138, 139, 206, 230, 278, 309, 345, 417, 515, 618, 690, 695, 834, 1030, 1390, 1545, 2085, 2369, 3090, 3197, 4170, 4738, 6394, 7107, 9591, 11845, 14214, 14317, 15985, 19182, 23690, 28634, 31970, 35535, 42951, 47955, 71070, 71585, 85902, 95910, 143170, 214755, 329291, 429510, 658582, 987873, 1646455, 1975746, 3292910, 4939365, 9878730]

約数ペア:

[(1, 9878730), (2, 4939365), (3, 3292910), (5, 1975746), (6, 1646455), (10, 987873), (15, 658582), (23, 429510), (30, 329291), (46, 214755), (69, 143170), (103, 95910), (115, 85902), (138, 71585), (139, 71070), (206, 47955), (230, 42951), (278, 35535), (309, 31970), (345, 28634), (417, 23690), (515, 19182), (618, 15985), (690, 14317), (695, 14214), (834, 11845), (1030, 9591), (1390, 7107), (1545, 6394), (2085, 4738), (2369, 4170), (3090, 3197)]