71048780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 174871872

約数和(自身を除く): 103823092

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 157, 170, 187, 220, 242, 314, 340, 374, 484, 605, 628, 748, 785, 935, 1210, 1331, 1570, 1727, 1870, 2057, 2420, 2662, 2669, 3140, 3454, 3740, 4114, 5324, 5338, 6655, 6908, 8228, 8635, 10285, 10676, 13310, 13345, 17270, 18997, 20570, 22627, 26620, 26690, 29359, 34540, 37994, 41140, 45254, 53380, 58718, 75988, 90508, 94985, 113135, 117436, 146795, 189970, 208967, 226270, 293590, 322949, 379940, 417934, 452540, 587180, 645898, 835868, 1044835, 1291796, 1614745, 2089670, 3229490, 3552439, 4179340, 6458980, 7104878, 14209756, 17762195, 35524390, 71048780]

約数ペア:

[(1, 71048780), (2, 35524390), (4, 17762195), (5, 14209756), (10, 7104878), (11, 6458980), (17, 4179340), (20, 3552439), (22, 3229490), (34, 2089670), (44, 1614745), (55, 1291796), (68, 1044835), (85, 835868), (110, 645898), (121, 587180), (157, 452540), (170, 417934), (187, 379940), (220, 322949), (242, 293590), (314, 226270), (340, 208967), (374, 189970), (484, 146795), (605, 117436), (628, 113135), (748, 94985), (785, 90508), (935, 75988), (1210, 58718), (1331, 53380), (1570, 45254), (1727, 41140), (1870, 37994), (2057, 34540), (2420, 29359), (2662, 26690), (2669, 26620), (3140, 22627), (3454, 20570), (3740, 18997), (4114, 17270), (5324, 13345), (5338, 13310), (6655, 10676), (6908, 10285), (8228, 8635)]