70731640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1609}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 183153600

約数和(自身を除く): 112421960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 1609, 2198, 3140, 3218, 4396, 5495, 6280, 6436, 8045, 8792, 10990, 11263, 12872, 16090, 21980, 22526, 32180, 43960, 45052, 56315, 64360, 90104, 112630, 225260, 252613, 450520, 505226, 1010452, 1263065, 1768291, 2020904, 2526130, 3536582, 5052260, 7073164, 8841455, 10104520, 14146328, 17682910, 35365820, 70731640]

約数ペア:

[(1, 70731640), (2, 35365820), (4, 17682910), (5, 14146328), (7, 10104520), (8, 8841455), (10, 7073164), (14, 5052260), (20, 3536582), (28, 2526130), (35, 2020904), (40, 1768291), (56, 1263065), (70, 1010452), (140, 505226), (157, 450520), (280, 252613), (314, 225260), (628, 112630), (785, 90104), (1099, 64360), (1256, 56315), (1570, 45052), (1609, 43960), (2198, 32180), (3140, 22526), (3218, 21980), (4396, 16090), (5495, 12872), (6280, 11263), (6436, 10990), (8045, 8792)]