12720146640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3117683}}^1$

素因数の和:3117716

約数の個数: 80

約数和(自身を含む): 41752024128

約数和(自身を除く): 29031877488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 3117683, 6235366, 9353049, 12470732, 15588415, 18706098, 24941464, 31176830, 37412196, 46765245, 49882928, 53000611, 62353660, 74824392, 93530490, 106001222, 124707320, 149648784, 159001833, 187060980, 212002444, 249414640, 265003055, 318003666, 374121960, 424004888, 530006110, 636007332, 748243920, 795009165, 848009776, 1060012220, 1272014664, 1590018330, 2120024440, 2544029328, 3180036660, 4240048880, 6360073320, 12720146640]

約数ペア:

[(1, 12720146640), (2, 6360073320), (3, 4240048880), (4, 3180036660), (5, 2544029328), (6, 2120024440), (8, 1590018330), (10, 1272014664), (12, 1060012220), (15, 848009776), (16, 795009165), (17, 748243920), (20, 636007332), (24, 530006110), (30, 424004888), (34, 374121960), (40, 318003666), (48, 265003055), (51, 249414640), (60, 212002444), (68, 187060980), (80, 159001833), (85, 149648784), (102, 124707320), (120, 106001222), (136, 93530490), (170, 74824392), (204, 62353660), (240, 53000611), (255, 49882928), (272, 46765245), (340, 37412196), (408, 31176830), (510, 24941464), (680, 18706098), (816, 15588415), (1020, 12470732), (1360, 9353049), (2040, 6235366), (4080, 3117683)]