127558640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3438

約数の個数: 80

約数和(自身を含む): 331157376

約数和(自身を除く): 203598736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3371, 3440, 3784, 4730, 6742, 7568, 9460, 13484, 16855, 18920, 26968, 33710, 37081, 37840, 53936, 67420, 74162, 134840, 144953, 148324, 185405, 269680, 289906, 296648, 370810, 579812, 593296, 724765, 741620, 1159624, 1449530, 1483240, 1594483, 2319248, 2899060, 2966480, 3188966, 5798120, 6377932, 7972415, 11596240, 12755864, 15944830, 25511728, 31889660, 63779320, 127558640]

約数ペア:

[(1, 127558640), (2, 63779320), (4, 31889660), (5, 25511728), (8, 15944830), (10, 12755864), (11, 11596240), (16, 7972415), (20, 6377932), (22, 5798120), (40, 3188966), (43, 2966480), (44, 2899060), (55, 2319248), (80, 1594483), (86, 1483240), (88, 1449530), (110, 1159624), (172, 741620), (176, 724765), (215, 593296), (220, 579812), (344, 370810), (430, 296648), (440, 289906), (473, 269680), (688, 185405), (860, 148324), (880, 144953), (946, 134840), (1720, 74162), (1892, 67420), (2365, 53936), (3371, 37840), (3440, 37081), (3784, 33710), (4730, 26968), (6742, 18920), (7568, 16855), (9460, 13484)]