85920640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 128

約数和(自身を含む): 231336000

約数和(自身を除く): 145415360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 449, 460, 520, 598, 640, 736, 832, 898, 920, 1040, 1196, 1472, 1495, 1664, 1796, 1840, 2080, 2245, 2392, 2944, 2990, 3592, 3680, 4160, 4490, 4784, 5837, 5980, 7184, 7360, 8320, 8980, 9568, 10327, 11674, 11960, 14368, 14720, 17960, 19136, 20654, 23348, 23920, 28736, 29185, 35920, 38272, 41308, 46696, 47840, 51635, 57472, 58370, 71840, 82616, 93392, 95680, 103270, 116740, 134251, 143680, 165232, 186784, 191360, 206540, 233480, 268502, 287360, 330464, 373568, 413080, 466960, 537004, 660928, 671255, 747136, 826160, 933920, 1074008, 1321856, 1342510, 1652320, 1867840, 2148016, 2685020, 3304640, 3735680, 4296032, 5370040, 6609280, 8592064, 10740080, 17184128, 21480160, 42960320, 85920640]

約数ペア:

[(1, 85920640), (2, 42960320), (4, 21480160), (5, 17184128), (8, 10740080), (10, 8592064), (13, 6609280), (16, 5370040), (20, 4296032), (23, 3735680), (26, 3304640), (32, 2685020), (40, 2148016), (46, 1867840), (52, 1652320), (64, 1342510), (65, 1321856), (80, 1074008), (92, 933920), (104, 826160), (115, 747136), (128, 671255), (130, 660928), (160, 537004), (184, 466960), (208, 413080), (230, 373568), (260, 330464), (299, 287360), (320, 268502), (368, 233480), (416, 206540), (449, 191360), (460, 186784), (520, 165232), (598, 143680), (640, 134251), (736, 116740), (832, 103270), (898, 95680), (920, 93392), (1040, 82616), (1196, 71840), (1472, 58370), (1495, 57472), (1664, 51635), (1796, 47840), (1840, 46696), (2080, 41308), (2245, 38272), (2392, 35920), (2944, 29185), (2990, 28736), (3592, 23920), (3680, 23348), (4160, 20654), (4490, 19136), (4784, 17960), (5837, 14720), (5980, 14368), (7184, 11960), (7360, 11674), (8320, 10327), (8980, 9568)]