15245125

素因数分解:

$5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 23474880

約数和(自身を除く): 8229755

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 125, 131, 133, 175, 245, 475, 655, 665, 875, 917, 931, 1225, 2375, 2489, 3275, 3325, 4585, 4655, 6125, 6419, 12445, 16375, 16625, 17423, 22925, 23275, 32095, 62225, 87115, 114625, 116375, 121961, 160475, 311125, 435575, 609805, 802375, 2177875, 3049025, 15245125]

約数ペア:

[(1, 15245125), (5, 3049025), (7, 2177875), (19, 802375), (25, 609805), (35, 435575), (49, 311125), (95, 160475), (125, 121961), (131, 116375), (133, 114625), (175, 87115), (245, 62225), (475, 32095), (655, 23275), (665, 22925), (875, 17423), (917, 16625), (931, 16375), (1225, 12445), (2375, 6419), (2489, 6125), (3275, 4655), (3325, 4585)]