64714920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31723}}^1$

素因数の和:31754

約数の個数: 64

約数和(自身を含む): 205571520

約数和(自身を除く): 140856600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 31723, 63446, 95169, 126892, 158615, 190338, 253784, 317230, 380676, 475845, 539291, 634460, 761352, 951690, 1078582, 1268920, 1617873, 1903380, 2157164, 2696455, 3235746, 3806760, 4314328, 5392910, 6471492, 8089365, 10785820, 12942984, 16178730, 21571640, 32357460, 64714920]

約数ペア:

[(1, 64714920), (2, 32357460), (3, 21571640), (4, 16178730), (5, 12942984), (6, 10785820), (8, 8089365), (10, 6471492), (12, 5392910), (15, 4314328), (17, 3806760), (20, 3235746), (24, 2696455), (30, 2157164), (34, 1903380), (40, 1617873), (51, 1268920), (60, 1078582), (68, 951690), (85, 761352), (102, 634460), (120, 539291), (136, 475845), (170, 380676), (204, 317230), (255, 253784), (340, 190338), (408, 158615), (510, 126892), (680, 95169), (1020, 63446), (2040, 31723)]