1340040

素因数分解:

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

素因数の和:886

約数の個数: 64

約数和(自身を含む): 4334400

約数和(自身を除く): 2994360

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, 859, 1560, 1718, 2577, 3436, 4295, 5154, 6872, 8590, 10308, 11167, 12885, 17180, 20616, 22334, 25770, 33501, 34360, 44668, 51540, 55835, 67002, 89336, 103080, 111670, 134004, 167505, 223340, 268008, 335010, 446680, 670020, 1340040]

約数ペア:

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