128829720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24967}}^1$

素因数の和:25024

約数の個数: 64

約数和(自身を含む): 395493120

約数和(自身を除く): 266663400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 24967, 49934, 74901, 99868, 124835, 149802, 199736, 249670, 299604, 374505, 499340, 599208, 749010, 998680, 1073581, 1498020, 2147162, 2996040, 3220743, 4294324, 5367905, 6441486, 8588648, 10735810, 12882972, 16103715, 21471620, 25765944, 32207430, 42943240, 64414860, 128829720]

約数ペア:

[(1, 128829720), (2, 64414860), (3, 42943240), (4, 32207430), (5, 25765944), (6, 21471620), (8, 16103715), (10, 12882972), (12, 10735810), (15, 8588648), (20, 6441486), (24, 5367905), (30, 4294324), (40, 3220743), (43, 2996040), (60, 2147162), (86, 1498020), (120, 1073581), (129, 998680), (172, 749010), (215, 599208), (258, 499340), (344, 374505), (430, 299604), (516, 249670), (645, 199736), (860, 149802), (1032, 124835), (1290, 99868), (1720, 74901), (2580, 49934), (5160, 24967)]