80990520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 263995200

約数和(自身を除く): 183004680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 193, 195, 260, 269, 312, 386, 390, 520, 538, 579, 772, 780, 807, 965, 1076, 1158, 1345, 1544, 1560, 1614, 1930, 2152, 2316, 2509, 2690, 2895, 3228, 3497, 3860, 4035, 4632, 5018, 5380, 5790, 6456, 6994, 7527, 7720, 8070, 10036, 10491, 10760, 11580, 12545, 13988, 15054, 16140, 17485, 20072, 20982, 23160, 25090, 27976, 30108, 32280, 34970, 37635, 41964, 50180, 51917, 52455, 60216, 69940, 75270, 83928, 100360, 103834, 104910, 139880, 150540, 155751, 207668, 209820, 259585, 301080, 311502, 415336, 419640, 519170, 623004, 674921, 778755, 1038340, 1246008, 1349842, 1557510, 2024763, 2076680, 2699684, 3115020, 3374605, 4049526, 5399368, 6230040, 6749210, 8099052, 10123815, 13498420, 16198104, 20247630, 26996840, 40495260, 80990520]

約数ペア:

[(1, 80990520), (2, 40495260), (3, 26996840), (4, 20247630), (5, 16198104), (6, 13498420), (8, 10123815), (10, 8099052), (12, 6749210), (13, 6230040), (15, 5399368), (20, 4049526), (24, 3374605), (26, 3115020), (30, 2699684), (39, 2076680), (40, 2024763), (52, 1557510), (60, 1349842), (65, 1246008), (78, 1038340), (104, 778755), (120, 674921), (130, 623004), (156, 519170), (193, 419640), (195, 415336), (260, 311502), (269, 301080), (312, 259585), (386, 209820), (390, 207668), (520, 155751), (538, 150540), (579, 139880), (772, 104910), (780, 103834), (807, 100360), (965, 83928), (1076, 75270), (1158, 69940), (1345, 60216), (1544, 52455), (1560, 51917), (1614, 50180), (1930, 41964), (2152, 37635), (2316, 34970), (2509, 32280), (2690, 30108), (2895, 27976), (3228, 25090), (3497, 23160), (3860, 20982), (4035, 20072), (4632, 17485), (5018, 16140), (5380, 15054), (5790, 13988), (6456, 12545), (6994, 11580), (7527, 10760), (7720, 10491), (8070, 10036)]