64711240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2411}}^1$

素因数の和:2494

約数の個数: 64

約数和(自身を含む): 161507520

約数和(自身を除く): 96796280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2411, 2440, 2684, 3355, 4822, 5368, 6710, 9644, 12055, 13420, 19288, 24110, 26521, 26840, 48220, 53042, 96440, 106084, 132605, 147071, 212168, 265210, 294142, 530420, 588284, 735355, 1060840, 1176568, 1470710, 1617781, 2941420, 3235562, 5882840, 6471124, 8088905, 12942248, 16177810, 32355620, 64711240]

約数ペア:

[(1, 64711240), (2, 32355620), (4, 16177810), (5, 12942248), (8, 8088905), (10, 6471124), (11, 5882840), (20, 3235562), (22, 2941420), (40, 1617781), (44, 1470710), (55, 1176568), (61, 1060840), (88, 735355), (110, 588284), (122, 530420), (220, 294142), (244, 265210), (305, 212168), (440, 147071), (488, 132605), (610, 106084), (671, 96440), (1220, 53042), (1342, 48220), (2411, 26840), (2440, 26521), (2684, 24110), (3355, 19288), (4822, 13420), (5368, 12055), (6710, 9644)]