15021875

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 7476685

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 125, 209, 253, 275, 437, 475, 575, 625, 1045, 1265, 1375, 2185, 2375, 2875, 3125, 4807, 5225, 6325, 6875, 10925, 11875, 14375, 24035, 26125, 31625, 34375, 54625, 59375, 71875, 120175, 130625, 158125, 273125, 600875, 653125, 790625, 1365625, 3004375, 15021875]

約数ペア:

[(1, 15021875), (5, 3004375), (11, 1365625), (19, 790625), (23, 653125), (25, 600875), (55, 273125), (95, 158125), (115, 130625), (125, 120175), (209, 71875), (253, 59375), (275, 54625), (437, 34375), (475, 31625), (575, 26125), (625, 24035), (1045, 14375), (1265, 11875), (1375, 10925), (2185, 6875), (2375, 6325), (2875, 5225), (3125, 4807)]