30917640

素因数分解:

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

素因数の和:19846

約数の個数: 64

約数和(自身を含む): 99892800

約数和(自身を除く): 68975160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 19819, 39638, 59457, 79276, 99095, 118914, 158552, 198190, 237828, 257647, 297285, 396380, 475656, 515294, 594570, 772941, 792760, 1030588, 1189140, 1288235, 1545882, 2061176, 2378280, 2576470, 3091764, 3864705, 5152940, 6183528, 7729410, 10305880, 15458820, 30917640]

約数ペア:

[(1, 30917640), (2, 15458820), (3, 10305880), (4, 7729410), (5, 6183528), (6, 5152940), (8, 3864705), (10, 3091764), (12, 2576470), (13, 2378280), (15, 2061176), (20, 1545882), (24, 1288235), (26, 1189140), (30, 1030588), (39, 792760), (40, 772941), (52, 594570), (60, 515294), (65, 475656), (78, 396380), (104, 297285), (120, 257647), (130, 237828), (156, 198190), (195, 158552), (260, 118914), (312, 99095), (390, 79276), (520, 59457), (780, 39638), (1560, 19819)]