81846880

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{967}}^1$

素因数の和:1028

約数の個数: 72

約数和(自身を含む): 202344912

約数和(自身を除く): 120498032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 529, 736, 920, 967, 1058, 1840, 1934, 2116, 2645, 3680, 3868, 4232, 4835, 5290, 7736, 8464, 9670, 10580, 15472, 16928, 19340, 21160, 22241, 30944, 38680, 42320, 44482, 77360, 84640, 88964, 111205, 154720, 177928, 222410, 355856, 444820, 511543, 711712, 889640, 1023086, 1779280, 2046172, 2557715, 3558560, 4092344, 5115430, 8184688, 10230860, 16369376, 20461720, 40923440, 81846880]

約数ペア:

[(1, 81846880), (2, 40923440), (4, 20461720), (5, 16369376), (8, 10230860), (10, 8184688), (16, 5115430), (20, 4092344), (23, 3558560), (32, 2557715), (40, 2046172), (46, 1779280), (80, 1023086), (92, 889640), (115, 711712), (160, 511543), (184, 444820), (230, 355856), (368, 222410), (460, 177928), (529, 154720), (736, 111205), (920, 88964), (967, 84640), (1058, 77360), (1840, 44482), (1934, 42320), (2116, 38680), (2645, 30944), (3680, 22241), (3868, 21160), (4232, 19340), (4835, 16928), (5290, 15472), (7736, 10580), (8464, 9670)]