15989100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 46663680

約数和(自身を除く): 30674580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 223, 239, 300, 446, 478, 669, 717, 892, 956, 1115, 1195, 1338, 1434, 2230, 2390, 2676, 2868, 3345, 3585, 4460, 4780, 5575, 5975, 6690, 7170, 11150, 11950, 13380, 14340, 16725, 17925, 22300, 23900, 33450, 35850, 53297, 66900, 71700, 106594, 159891, 213188, 266485, 319782, 532970, 639564, 799455, 1065940, 1332425, 1598910, 2664850, 3197820, 3997275, 5329700, 7994550, 15989100]

約数ペア:

[(1, 15989100), (2, 7994550), (3, 5329700), (4, 3997275), (5, 3197820), (6, 2664850), (10, 1598910), (12, 1332425), (15, 1065940), (20, 799455), (25, 639564), (30, 532970), (50, 319782), (60, 266485), (75, 213188), (100, 159891), (150, 106594), (223, 71700), (239, 66900), (300, 53297), (446, 35850), (478, 33450), (669, 23900), (717, 22300), (892, 17925), (956, 16725), (1115, 14340), (1195, 13380), (1338, 11950), (1434, 11150), (2230, 7170), (2390, 6690), (2676, 5975), (2868, 5575), (3345, 4780), (3585, 4460)]