490700520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31699}}^1$

素因数の和:31759

約数の個数: 96

約数和(自身を含む): 1631916000

約数和(自身を除く): 1141215480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480, 31699, 63398, 95097, 126796, 158495, 190194, 253592, 285291, 316990, 380388, 475485, 570582, 633980, 760776, 950970, 1141164, 1267960, 1363057, 1426455, 1901940, 2282328, 2726114, 2852910, 3803880, 4089171, 5452228, 5705820, 6815285, 8178342, 10904456, 11411640, 12267513, 13630570, 16356684, 20445855, 24535026, 27261140, 32713368, 40891710, 49070052, 54522280, 61337565, 81783420, 98140104, 122675130, 163566840, 245350260, 490700520]

約数ペア:

[(1, 490700520), (2, 245350260), (3, 163566840), (4, 122675130), (5, 98140104), (6, 81783420), (8, 61337565), (9, 54522280), (10, 49070052), (12, 40891710), (15, 32713368), (18, 27261140), (20, 24535026), (24, 20445855), (30, 16356684), (36, 13630570), (40, 12267513), (43, 11411640), (45, 10904456), (60, 8178342), (72, 6815285), (86, 5705820), (90, 5452228), (120, 4089171), (129, 3803880), (172, 2852910), (180, 2726114), (215, 2282328), (258, 1901940), (344, 1426455), (360, 1363057), (387, 1267960), (430, 1141164), (516, 950970), (645, 760776), (774, 633980), (860, 570582), (1032, 475485), (1290, 380388), (1548, 316990), (1720, 285291), (1935, 253592), (2580, 190194), (3096, 158495), (3870, 126796), (5160, 95097), (7740, 63398), (15480, 31699)]