27779880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1279}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 83865600

約数和(自身を除く): 56085720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 1086, 1279, 1448, 1810, 2172, 2558, 2715, 3620, 3837, 4344, 5116, 5430, 6395, 7240, 7674, 10232, 10860, 12790, 15348, 19185, 21720, 25580, 30696, 38370, 51160, 76740, 153480, 231499, 462998, 694497, 925996, 1157495, 1388994, 1851992, 2314990, 2777988, 3472485, 4629980, 5555976, 6944970, 9259960, 13889940, 27779880]

約数ペア:

[(1, 27779880), (2, 13889940), (3, 9259960), (4, 6944970), (5, 5555976), (6, 4629980), (8, 3472485), (10, 2777988), (12, 2314990), (15, 1851992), (20, 1388994), (24, 1157495), (30, 925996), (40, 694497), (60, 462998), (120, 231499), (181, 153480), (362, 76740), (543, 51160), (724, 38370), (905, 30696), (1086, 25580), (1279, 21720), (1448, 19185), (1810, 15348), (2172, 12790), (2558, 10860), (2715, 10232), (3620, 7674), (3837, 7240), (4344, 6395), (5116, 5430)]