180427375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 240185088

約数和(自身を除く): 59757713

約数列:

[1, 5, 17, 25, 85, 125, 197, 425, 431, 985, 2125, 2155, 3349, 4925, 7327, 10775, 16745, 24625, 36635, 53875, 83725, 84907, 183175, 418625, 424535, 915875, 1443419, 2122675, 7217095, 10613375, 36085475, 180427375]

約数ペア:

[(1, 180427375), (5, 36085475), (17, 10613375), (25, 7217095), (85, 2122675), (125, 1443419), (197, 915875), (425, 424535), (431, 418625), (985, 183175), (2125, 84907), (2155, 83725), (3349, 53875), (4925, 36635), (7327, 24625), (10775, 16745)]