6520520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 15966720

約数和(自身を除く): 9446200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 223, 340, 344, 430, 446, 680, 731, 860, 892, 1115, 1462, 1720, 1784, 2230, 2924, 3655, 3791, 4460, 5848, 7310, 7582, 8920, 9589, 14620, 15164, 18955, 19178, 29240, 30328, 37910, 38356, 47945, 75820, 76712, 95890, 151640, 163013, 191780, 326026, 383560, 652052, 815065, 1304104, 1630130, 3260260, 6520520]

約数ペア:

[(1, 6520520), (2, 3260260), (4, 1630130), (5, 1304104), (8, 815065), (10, 652052), (17, 383560), (20, 326026), (34, 191780), (40, 163013), (43, 151640), (68, 95890), (85, 76712), (86, 75820), (136, 47945), (170, 38356), (172, 37910), (215, 30328), (223, 29240), (340, 19178), (344, 18955), (430, 15164), (446, 14620), (680, 9589), (731, 8920), (860, 7582), (892, 7310), (1115, 5848), (1462, 4460), (1720, 3791), (1784, 3655), (2230, 2924)]