71837360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{787}}^1$

素因数の和:970

約数の個数: 80

約数和(自身を含む): 192297216

約数和(自身を除く): 120459856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 787, 815, 1141, 1304, 1574, 1630, 2282, 2608, 3148, 3260, 3935, 4564, 5509, 5705, 6296, 6520, 7870, 9128, 11018, 11410, 12592, 13040, 15740, 18256, 22036, 22820, 27545, 31480, 44072, 45640, 55090, 62960, 88144, 91280, 110180, 128281, 220360, 256562, 440720, 513124, 641405, 897967, 1026248, 1282810, 1795934, 2052496, 2565620, 3591868, 4489835, 5131240, 7183736, 8979670, 10262480, 14367472, 17959340, 35918680, 71837360]

約数ペア:

[(1, 71837360), (2, 35918680), (4, 17959340), (5, 14367472), (7, 10262480), (8, 8979670), (10, 7183736), (14, 5131240), (16, 4489835), (20, 3591868), (28, 2565620), (35, 2052496), (40, 1795934), (56, 1282810), (70, 1026248), (80, 897967), (112, 641405), (140, 513124), (163, 440720), (280, 256562), (326, 220360), (560, 128281), (652, 110180), (787, 91280), (815, 88144), (1141, 62960), (1304, 55090), (1574, 45640), (1630, 44072), (2282, 31480), (2608, 27545), (3148, 22820), (3260, 22036), (3935, 18256), (4564, 15740), (5509, 13040), (5705, 12592), (6296, 11410), (6520, 11018), (7870, 9128)]