64020980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 151683840

約数和(自身を除く): 87662860

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 43, 58, 68, 85, 86, 116, 145, 151, 170, 172, 215, 290, 302, 340, 430, 493, 580, 604, 731, 755, 860, 986, 1247, 1462, 1510, 1972, 2465, 2494, 2567, 2924, 3020, 3655, 4379, 4930, 4988, 5134, 6235, 6493, 7310, 8758, 9860, 10268, 12470, 12835, 12986, 14620, 17516, 21199, 21895, 24940, 25670, 25972, 32465, 42398, 43790, 51340, 64930, 74443, 84796, 87580, 105995, 110381, 129860, 148886, 188297, 211990, 220762, 297772, 372215, 376594, 423980, 441524, 551905, 744430, 753188, 941485, 1103810, 1488860, 1882970, 2207620, 3201049, 3765940, 6402098, 12804196, 16005245, 32010490, 64020980]

約数ペア:

[(1, 64020980), (2, 32010490), (4, 16005245), (5, 12804196), (10, 6402098), (17, 3765940), (20, 3201049), (29, 2207620), (34, 1882970), (43, 1488860), (58, 1103810), (68, 941485), (85, 753188), (86, 744430), (116, 551905), (145, 441524), (151, 423980), (170, 376594), (172, 372215), (215, 297772), (290, 220762), (302, 211990), (340, 188297), (430, 148886), (493, 129860), (580, 110381), (604, 105995), (731, 87580), (755, 84796), (860, 74443), (986, 64930), (1247, 51340), (1462, 43790), (1510, 42398), (1972, 32465), (2465, 25972), (2494, 25670), (2567, 24940), (2924, 21895), (3020, 21199), (3655, 17516), (4379, 14620), (4930, 12986), (4988, 12835), (5134, 12470), (6235, 10268), (6493, 9860), (7310, 8758)]