215914920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138407}}^1$

素因数の和:138434

約数の個数: 64

約数和(自身を含む): 697576320

約数和(自身を除く): 481661400

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, 195, 260, 312, 390, 520, 780, 1560, 138407, 276814, 415221, 553628, 692035, 830442, 1107256, 1384070, 1660884, 1799291, 2076105, 2768140, 3321768, 3598582, 4152210, 5397873, 5536280, 7197164, 8304420, 8996455, 10795746, 14394328, 16608840, 17992910, 21591492, 26989365, 35985820, 43182984, 53978730, 71971640, 107957460, 215914920]

約数ペア:

[(1, 215914920), (2, 107957460), (3, 71971640), (4, 53978730), (5, 43182984), (6, 35985820), (8, 26989365), (10, 21591492), (12, 17992910), (13, 16608840), (15, 14394328), (20, 10795746), (24, 8996455), (26, 8304420), (30, 7197164), (39, 5536280), (40, 5397873), (52, 4152210), (60, 3598582), (65, 3321768), (78, 2768140), (104, 2076105), (120, 1799291), (130, 1660884), (156, 1384070), (195, 1107256), (260, 830442), (312, 692035), (390, 553628), (520, 415221), (780, 276814), (1560, 138407)]