2021098720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{3109}}^1$

素因数の和:3380

約数の個数: 96

約数和(自身を含む): 5078505600

約数和(自身を除く): 3057406880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 239, 272, 340, 478, 544, 680, 956, 1195, 1360, 1912, 2390, 2720, 3109, 3824, 4063, 4780, 6218, 7648, 8126, 9560, 12436, 15545, 16252, 19120, 20315, 24872, 31090, 32504, 38240, 40630, 49744, 52853, 62180, 65008, 81260, 99488, 105706, 124360, 130016, 162520, 211412, 248720, 264265, 325040, 422824, 497440, 528530, 650080, 743051, 845648, 1057060, 1486102, 1691296, 2114120, 2972204, 3715255, 4228240, 5944408, 7430510, 8456480, 11888816, 12631867, 14861020, 23777632, 25263734, 29722040, 50527468, 59444080, 63159335, 101054936, 118888160, 126318670, 202109872, 252637340, 404219744, 505274680, 1010549360, 2021098720]

約数ペア:

[(1, 2021098720), (2, 1010549360), (4, 505274680), (5, 404219744), (8, 252637340), (10, 202109872), (16, 126318670), (17, 118888160), (20, 101054936), (32, 63159335), (34, 59444080), (40, 50527468), (68, 29722040), (80, 25263734), (85, 23777632), (136, 14861020), (160, 12631867), (170, 11888816), (239, 8456480), (272, 7430510), (340, 5944408), (478, 4228240), (544, 3715255), (680, 2972204), (956, 2114120), (1195, 1691296), (1360, 1486102), (1912, 1057060), (2390, 845648), (2720, 743051), (3109, 650080), (3824, 528530), (4063, 497440), (4780, 422824), (6218, 325040), (7648, 264265), (8126, 248720), (9560, 211412), (12436, 162520), (15545, 130016), (16252, 124360), (19120, 105706), (20315, 99488), (24872, 81260), (31090, 65008), (32504, 62180), (38240, 52853), (40630, 49744)]