68779360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:840

約数の個数: 96

約数和(自身を含む): 179292960

約数和(自身を除く): 110513600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 520, 559, 688, 769, 860, 1040, 1118, 1376, 1538, 1720, 2080, 2236, 2795, 3076, 3440, 3845, 4472, 5590, 6152, 6880, 7690, 8944, 9997, 11180, 12304, 15380, 17888, 19994, 22360, 24608, 30760, 33067, 39988, 44720, 49985, 61520, 66134, 79976, 89440, 99970, 123040, 132268, 159952, 165335, 199940, 264536, 319904, 330670, 399880, 429871, 529072, 661340, 799760, 859742, 1058144, 1322680, 1599520, 1719484, 2149355, 2645360, 3438968, 4298710, 5290720, 6877936, 8597420, 13755872, 17194840, 34389680, 68779360]

約数ペア:

[(1, 68779360), (2, 34389680), (4, 17194840), (5, 13755872), (8, 8597420), (10, 6877936), (13, 5290720), (16, 4298710), (20, 3438968), (26, 2645360), (32, 2149355), (40, 1719484), (43, 1599520), (52, 1322680), (65, 1058144), (80, 859742), (86, 799760), (104, 661340), (130, 529072), (160, 429871), (172, 399880), (208, 330670), (215, 319904), (260, 264536), (344, 199940), (416, 165335), (430, 159952), (520, 132268), (559, 123040), (688, 99970), (769, 89440), (860, 79976), (1040, 66134), (1118, 61520), (1376, 49985), (1538, 44720), (1720, 39988), (2080, 33067), (2236, 30760), (2795, 24608), (3076, 22360), (3440, 19994), (3845, 17888), (4472, 15380), (5590, 12304), (6152, 11180), (6880, 9997), (7690, 8944)]