320269560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{859}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 1040256000

約数和(自身を除く): 719986440

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, 239, 260, 312, 390, 478, 520, 717, 780, 859, 956, 1195, 1434, 1560, 1718, 1912, 2390, 2577, 2868, 3107, 3436, 3585, 4295, 4780, 5154, 5736, 6214, 6872, 7170, 8590, 9321, 9560, 10308, 11167, 12428, 12885, 14340, 15535, 17180, 18642, 20616, 22334, 24856, 25770, 28680, 31070, 33501, 34360, 37284, 44668, 46605, 51540, 55835, 62140, 67002, 74568, 89336, 93210, 103080, 111670, 124280, 134004, 167505, 186420, 205301, 223340, 268008, 335010, 372840, 410602, 446680, 615903, 670020, 821204, 1026505, 1231806, 1340040, 1642408, 2053010, 2463612, 2668913, 3079515, 4106020, 4927224, 5337826, 6159030, 8006739, 8212040, 10675652, 12318060, 13344565, 16013478, 21351304, 24636120, 26689130, 32026956, 40033695, 53378260, 64053912, 80067390, 106756520, 160134780, 320269560]

約数ペア:

[(1, 320269560), (2, 160134780), (3, 106756520), (4, 80067390), (5, 64053912), (6, 53378260), (8, 40033695), (10, 32026956), (12, 26689130), (13, 24636120), (15, 21351304), (20, 16013478), (24, 13344565), (26, 12318060), (30, 10675652), (39, 8212040), (40, 8006739), (52, 6159030), (60, 5337826), (65, 4927224), (78, 4106020), (104, 3079515), (120, 2668913), (130, 2463612), (156, 2053010), (195, 1642408), (239, 1340040), (260, 1231806), (312, 1026505), (390, 821204), (478, 670020), (520, 615903), (717, 446680), (780, 410602), (859, 372840), (956, 335010), (1195, 268008), (1434, 223340), (1560, 205301), (1718, 186420), (1912, 167505), (2390, 134004), (2577, 124280), (2868, 111670), (3107, 103080), (3436, 93210), (3585, 89336), (4295, 74568), (4780, 67002), (5154, 62140), (5736, 55835), (6214, 51540), (6872, 46605), (7170, 44668), (8590, 37284), (9321, 34360), (9560, 33501), (10308, 31070), (11167, 28680), (12428, 25770), (12885, 24856), (14340, 22334), (15535, 20616), (17180, 18642)]