68450840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2412

約数の個数: 64

約数和(自身を含む): 166937760

約数和(自身を除く): 98486920

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, 2341, 2924, 3655, 4682, 5848, 7310, 9364, 11705, 14620, 18728, 23410, 29240, 39797, 46820, 79594, 93640, 100663, 159188, 198985, 201326, 318376, 397970, 402652, 503315, 795940, 805304, 1006630, 1591880, 1711271, 2013260, 3422542, 4026520, 6845084, 8556355, 13690168, 17112710, 34225420, 68450840]

約数ペア:

[(1, 68450840), (2, 34225420), (4, 17112710), (5, 13690168), (8, 8556355), (10, 6845084), (17, 4026520), (20, 3422542), (34, 2013260), (40, 1711271), (43, 1591880), (68, 1006630), (85, 805304), (86, 795940), (136, 503315), (170, 402652), (172, 397970), (215, 318376), (340, 201326), (344, 198985), (430, 159188), (680, 100663), (731, 93640), (860, 79594), (1462, 46820), (1720, 39797), (2341, 29240), (2924, 23410), (3655, 18728), (4682, 14620), (5848, 11705), (7310, 9364)]