90987160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1709}}^1$

素因数の和:1753

約数の個数: 64

約数和(自身を含む): 225309600

約数和(自身を除く): 134322440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 1709, 2420, 2662, 3418, 4840, 5324, 6655, 6836, 8545, 10648, 13310, 13672, 17090, 18799, 26620, 34180, 37598, 53240, 68360, 75196, 93995, 150392, 187990, 206789, 375980, 413578, 751960, 827156, 1033945, 1654312, 2067890, 2274679, 4135780, 4549358, 8271560, 9098716, 11373395, 18197432, 22746790, 45493580, 90987160]

約数ペア:

[(1, 90987160), (2, 45493580), (4, 22746790), (5, 18197432), (8, 11373395), (10, 9098716), (11, 8271560), (20, 4549358), (22, 4135780), (40, 2274679), (44, 2067890), (55, 1654312), (88, 1033945), (110, 827156), (121, 751960), (220, 413578), (242, 375980), (440, 206789), (484, 187990), (605, 150392), (968, 93995), (1210, 75196), (1331, 68360), (1709, 53240), (2420, 37598), (2662, 34180), (3418, 26620), (4840, 18799), (5324, 17090), (6655, 13672), (6836, 13310), (8545, 10648)]