26491560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{859}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 79876800

約数和(自身を除く): 53385240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 859, 1028, 1285, 1542, 1718, 2056, 2570, 2577, 3084, 3436, 3855, 4295, 5140, 5154, 6168, 6872, 7710, 8590, 10280, 10308, 12885, 15420, 17180, 20616, 25770, 30840, 34360, 51540, 103080, 220763, 441526, 662289, 883052, 1103815, 1324578, 1766104, 2207630, 2649156, 3311445, 4415260, 5298312, 6622890, 8830520, 13245780, 26491560]

約数ペア:

[(1, 26491560), (2, 13245780), (3, 8830520), (4, 6622890), (5, 5298312), (6, 4415260), (8, 3311445), (10, 2649156), (12, 2207630), (15, 1766104), (20, 1324578), (24, 1103815), (30, 883052), (40, 662289), (60, 441526), (120, 220763), (257, 103080), (514, 51540), (771, 34360), (859, 30840), (1028, 25770), (1285, 20616), (1542, 17180), (1718, 15420), (2056, 12885), (2570, 10308), (2577, 10280), (3084, 8590), (3436, 7710), (3855, 6872), (4295, 6168), (5140, 5154)]