81746730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 231351120

約数和(自身を除く): 149604390

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 109, 117, 130, 195, 218, 234, 327, 390, 545, 585, 641, 654, 981, 1090, 1170, 1282, 1417, 1635, 1923, 1962, 2834, 3205, 3270, 3846, 4251, 4905, 5769, 6410, 7085, 8333, 8502, 9615, 9810, 11538, 12753, 14170, 16666, 19230, 21255, 24999, 25506, 28845, 41665, 42510, 49998, 57690, 63765, 69869, 74997, 83330, 124995, 127530, 139738, 149994, 209607, 249990, 349345, 374985, 419214, 628821, 698690, 749970, 908297, 1048035, 1257642, 1816594, 2096070, 2724891, 3144105, 4541485, 5449782, 6288210, 8174673, 9082970, 13624455, 16349346, 27248910, 40873365, 81746730]

約数ペア:

[(1, 81746730), (2, 40873365), (3, 27248910), (5, 16349346), (6, 13624455), (9, 9082970), (10, 8174673), (13, 6288210), (15, 5449782), (18, 4541485), (26, 3144105), (30, 2724891), (39, 2096070), (45, 1816594), (65, 1257642), (78, 1048035), (90, 908297), (109, 749970), (117, 698690), (130, 628821), (195, 419214), (218, 374985), (234, 349345), (327, 249990), (390, 209607), (545, 149994), (585, 139738), (641, 127530), (654, 124995), (981, 83330), (1090, 74997), (1170, 69869), (1282, 63765), (1417, 57690), (1635, 49998), (1923, 42510), (1962, 41665), (2834, 28845), (3205, 25506), (3270, 24999), (3846, 21255), (4251, 19230), (4905, 16666), (5769, 14170), (6410, 12753), (7085, 11538), (8333, 9810), (8502, 9615)]