399474120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{144737}}^1$

素因数の和:144774

約数の個数: 64

約数和(自身を含む): 1250536320

約数和(自身を除く): 851062200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 144737, 289474, 434211, 578948, 723685, 868422, 1157896, 1447370, 1736844, 2171055, 2894740, 3328951, 3473688, 4342110, 5789480, 6657902, 8684220, 9986853, 13315804, 16644755, 17368440, 19973706, 26631608, 33289510, 39947412, 49934265, 66579020, 79894824, 99868530, 133158040, 199737060, 399474120]

約数ペア:

[(1, 399474120), (2, 199737060), (3, 133158040), (4, 99868530), (5, 79894824), (6, 66579020), (8, 49934265), (10, 39947412), (12, 33289510), (15, 26631608), (20, 19973706), (23, 17368440), (24, 16644755), (30, 13315804), (40, 9986853), (46, 8684220), (60, 6657902), (69, 5789480), (92, 4342110), (115, 3473688), (120, 3328951), (138, 2894740), (184, 2171055), (230, 1736844), (276, 1447370), (345, 1157896), (460, 868422), (552, 723685), (690, 578948), (920, 434211), (1380, 289474), (2760, 144737)]