15458820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19819}}^1$

素因数の和:19844

約数の個数: 48

約数和(自身を含む): 46616640

約数和(自身を除く): 31157820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19819, 39638, 59457, 79276, 99095, 118914, 198190, 237828, 257647, 297285, 396380, 515294, 594570, 772941, 1030588, 1189140, 1288235, 1545882, 2576470, 3091764, 3864705, 5152940, 7729410, 15458820]

約数ペア:

[(1, 15458820), (2, 7729410), (3, 5152940), (4, 3864705), (5, 3091764), (6, 2576470), (10, 1545882), (12, 1288235), (13, 1189140), (15, 1030588), (20, 772941), (26, 594570), (30, 515294), (39, 396380), (52, 297285), (60, 257647), (65, 237828), (78, 198190), (130, 118914), (156, 99095), (195, 79276), (260, 59457), (390, 39638), (780, 19819)]