64415720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1$

素因数の和:2274

約数の個数: 64

約数和(自身を含む): 157101120

約数和(自身を除く): 92685400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2203, 2924, 3655, 4406, 5848, 7310, 8812, 11015, 14620, 17624, 22030, 29240, 37451, 44060, 74902, 88120, 94729, 149804, 187255, 189458, 299608, 374510, 378916, 473645, 749020, 757832, 947290, 1498040, 1610393, 1894580, 3220786, 3789160, 6441572, 8051965, 12883144, 16103930, 32207860, 64415720]

約数ペア:

[(1, 64415720), (2, 32207860), (4, 16103930), (5, 12883144), (8, 8051965), (10, 6441572), (17, 3789160), (20, 3220786), (34, 1894580), (40, 1610393), (43, 1498040), (68, 947290), (85, 757832), (86, 749020), (136, 473645), (170, 378916), (172, 374510), (215, 299608), (340, 189458), (344, 187255), (430, 149804), (680, 94729), (731, 88120), (860, 74902), (1462, 44060), (1720, 37451), (2203, 29240), (2924, 22030), (3655, 17624), (4406, 14620), (5848, 11015), (7310, 8812)]