61683380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 144789120

約数和(自身を除く): 83105740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 359, 484, 605, 710, 718, 781, 1210, 1420, 1436, 1562, 1795, 2420, 3124, 3590, 3905, 3949, 7180, 7810, 7898, 8591, 15620, 15796, 17182, 19745, 25489, 34364, 39490, 42955, 43439, 50978, 78980, 85910, 86878, 101956, 127445, 171820, 173756, 217195, 254890, 280379, 434390, 509780, 560758, 868780, 1121516, 1401895, 2803790, 3084169, 5607580, 6168338, 12336676, 15420845, 30841690, 61683380]

約数ペア:

[(1, 61683380), (2, 30841690), (4, 15420845), (5, 12336676), (10, 6168338), (11, 5607580), (20, 3084169), (22, 2803790), (44, 1401895), (55, 1121516), (71, 868780), (110, 560758), (121, 509780), (142, 434390), (220, 280379), (242, 254890), (284, 217195), (355, 173756), (359, 171820), (484, 127445), (605, 101956), (710, 86878), (718, 85910), (781, 78980), (1210, 50978), (1420, 43439), (1436, 42955), (1562, 39490), (1795, 34364), (2420, 25489), (3124, 19745), (3590, 17182), (3905, 15796), (3949, 15620), (7180, 8591), (7810, 7898)]