1515920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2707}}^1$

素因数の和:2727

約数の個数: 40

約数和(自身を含む): 4029504

約数和(自身を除く): 2513584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2707, 5414, 10828, 13535, 18949, 21656, 27070, 37898, 43312, 54140, 75796, 94745, 108280, 151592, 189490, 216560, 303184, 378980, 757960, 1515920]

約数ペア:

[(1, 1515920), (2, 757960), (4, 378980), (5, 303184), (7, 216560), (8, 189490), (10, 151592), (14, 108280), (16, 94745), (20, 75796), (28, 54140), (35, 43312), (40, 37898), (56, 27070), (70, 21656), (80, 18949), (112, 13535), (140, 10828), (280, 5414), (560, 2707)]