180272375

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 231042240

約数和(自身を除く): 50769865

約数列:

[1, 5, 25, 101, 109, 125, 131, 505, 545, 655, 2525, 2725, 3275, 11009, 12625, 13231, 13625, 14279, 16375, 55045, 66155, 71395, 275225, 330775, 356975, 1376125, 1442179, 1653875, 1784875, 7210895, 36054475, 180272375]

約数ペア:

[(1, 180272375), (5, 36054475), (25, 7210895), (101, 1784875), (109, 1653875), (125, 1442179), (131, 1376125), (505, 356975), (545, 330775), (655, 275225), (2525, 71395), (2725, 66155), (3275, 55045), (11009, 16375), (12625, 14279), (13231, 13625)]