68762720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2543}}^1$

素因数の和:2584

約数の個数: 72

約数和(自身を含む): 175978656

約数和(自身を除く): 107215936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2543, 2704, 3380, 5086, 5408, 6760, 10172, 12715, 13520, 20344, 25430, 27040, 33059, 40688, 50860, 66118, 81376, 101720, 132236, 165295, 203440, 264472, 330590, 406880, 429767, 528944, 661180, 859534, 1057888, 1322360, 1719068, 2148835, 2644720, 3438136, 4297670, 5289440, 6876272, 8595340, 13752544, 17190680, 34381360, 68762720]

約数ペア:

[(1, 68762720), (2, 34381360), (4, 17190680), (5, 13752544), (8, 8595340), (10, 6876272), (13, 5289440), (16, 4297670), (20, 3438136), (26, 2644720), (32, 2148835), (40, 1719068), (52, 1322360), (65, 1057888), (80, 859534), (104, 661180), (130, 528944), (160, 429767), (169, 406880), (208, 330590), (260, 264472), (338, 203440), (416, 165295), (520, 132236), (676, 101720), (845, 81376), (1040, 66118), (1352, 50860), (1690, 40688), (2080, 33059), (2543, 27040), (2704, 25430), (3380, 20344), (5086, 13520), (5408, 12715), (6760, 10172)]