12791280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 39997440

約数和(自身を除く): 27206160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 239, 240, 446, 478, 669, 717, 892, 956, 1115, 1195, 1338, 1434, 1784, 1912, 2230, 2390, 2676, 2868, 3345, 3568, 3585, 3824, 4460, 4780, 5352, 5736, 6690, 7170, 8920, 9560, 10704, 11472, 13380, 14340, 17840, 19120, 26760, 28680, 53297, 53520, 57360, 106594, 159891, 213188, 266485, 319782, 426376, 532970, 639564, 799455, 852752, 1065940, 1279128, 1598910, 2131880, 2558256, 3197820, 4263760, 6395640, 12791280]

約数ペア:

[(1, 12791280), (2, 6395640), (3, 4263760), (4, 3197820), (5, 2558256), (6, 2131880), (8, 1598910), (10, 1279128), (12, 1065940), (15, 852752), (16, 799455), (20, 639564), (24, 532970), (30, 426376), (40, 319782), (48, 266485), (60, 213188), (80, 159891), (120, 106594), (223, 57360), (239, 53520), (240, 53297), (446, 28680), (478, 26760), (669, 19120), (717, 17840), (892, 14340), (956, 13380), (1115, 11472), (1195, 10704), (1338, 9560), (1434, 8920), (1784, 7170), (1912, 6690), (2230, 5736), (2390, 5352), (2676, 4780), (2868, 4460), (3345, 3824), (3568, 3585)]