77718780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10531}}^1$

素因数の和:10587

約数の個数: 72

約数和(自身を含む): 241519824

約数和(自身を除く): 163801044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 10531, 21062, 31593, 42124, 52655, 63186, 94779, 105310, 126372, 157965, 189558, 210620, 315930, 379116, 431771, 473895, 631860, 863542, 947790, 1295313, 1727084, 1895580, 2158855, 2590626, 3885939, 4317710, 5181252, 6476565, 7771878, 8635420, 12953130, 15543756, 19429695, 25906260, 38859390, 77718780]

約数ペア:

[(1, 77718780), (2, 38859390), (3, 25906260), (4, 19429695), (5, 15543756), (6, 12953130), (9, 8635420), (10, 7771878), (12, 6476565), (15, 5181252), (18, 4317710), (20, 3885939), (30, 2590626), (36, 2158855), (41, 1895580), (45, 1727084), (60, 1295313), (82, 947790), (90, 863542), (123, 631860), (164, 473895), (180, 431771), (205, 379116), (246, 315930), (369, 210620), (410, 189558), (492, 157965), (615, 126372), (738, 105310), (820, 94779), (1230, 63186), (1476, 52655), (1845, 42124), (2460, 31593), (3690, 21062), (7380, 10531)]