1786720

素因数分解:

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

素因数の和:887

約数の個数: 48

約数和(自身を含む): 4551120

約数和(自身を除く): 2764400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 859, 1040, 1718, 2080, 3436, 4295, 6872, 8590, 11167, 13744, 17180, 22334, 27488, 34360, 44668, 55835, 68720, 89336, 111670, 137440, 178672, 223340, 357344, 446680, 893360, 1786720]

約数ペア:

[(1, 1786720), (2, 893360), (4, 446680), (5, 357344), (8, 223340), (10, 178672), (13, 137440), (16, 111670), (20, 89336), (26, 68720), (32, 55835), (40, 44668), (52, 34360), (65, 27488), (80, 22334), (104, 17180), (130, 13744), (160, 11167), (208, 8590), (260, 6872), (416, 4295), (520, 3436), (859, 2080), (1040, 1718)]