2680080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:888

約数の個数: 80

約数和(自身を含む): 8957760

約数和(自身を除く): 6277680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 859, 1040, 1560, 1718, 2577, 3120, 3436, 4295, 5154, 6872, 8590, 10308, 11167, 12885, 13744, 17180, 20616, 22334, 25770, 33501, 34360, 41232, 44668, 51540, 55835, 67002, 68720, 89336, 103080, 111670, 134004, 167505, 178672, 206160, 223340, 268008, 335010, 446680, 536016, 670020, 893360, 1340040, 2680080]

約数ペア:

[(1, 2680080), (2, 1340040), (3, 893360), (4, 670020), (5, 536016), (6, 446680), (8, 335010), (10, 268008), (12, 223340), (13, 206160), (15, 178672), (16, 167505), (20, 134004), (24, 111670), (26, 103080), (30, 89336), (39, 68720), (40, 67002), (48, 55835), (52, 51540), (60, 44668), (65, 41232), (78, 34360), (80, 33501), (104, 25770), (120, 22334), (130, 20616), (156, 17180), (195, 13744), (208, 12885), (240, 11167), (260, 10308), (312, 8590), (390, 6872), (520, 5154), (624, 4295), (780, 3436), (859, 3120), (1040, 2577), (1560, 1718)]