15872480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{587}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 40674312

約数和(自身を除く): 24801832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 587, 676, 845, 1040, 1174, 1352, 1690, 2080, 2348, 2704, 2935, 3380, 4696, 5408, 5870, 6760, 7631, 9392, 11740, 13520, 15262, 18784, 23480, 27040, 30524, 38155, 46960, 61048, 76310, 93920, 99203, 122096, 152620, 198406, 244192, 305240, 396812, 496015, 610480, 793624, 992030, 1220960, 1587248, 1984060, 3174496, 3968120, 7936240, 15872480]

約数ペア:

[(1, 15872480), (2, 7936240), (4, 3968120), (5, 3174496), (8, 1984060), (10, 1587248), (13, 1220960), (16, 992030), (20, 793624), (26, 610480), (32, 496015), (40, 396812), (52, 305240), (65, 244192), (80, 198406), (104, 152620), (130, 122096), (160, 99203), (169, 93920), (208, 76310), (260, 61048), (338, 46960), (416, 38155), (520, 30524), (587, 27040), (676, 23480), (845, 18784), (1040, 15262), (1174, 13520), (1352, 11740), (1690, 9392), (2080, 7631), (2348, 6760), (2704, 5870), (2935, 5408), (3380, 4696)]