15128320

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 37086336

約数和(自身を除く): 21958016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 223, 256, 265, 320, 424, 446, 530, 640, 848, 892, 1060, 1115, 1280, 1696, 1784, 2120, 2230, 3392, 3568, 4240, 4460, 6784, 7136, 8480, 8920, 11819, 13568, 14272, 16960, 17840, 23638, 28544, 33920, 35680, 47276, 57088, 59095, 67840, 71360, 94552, 118190, 142720, 189104, 236380, 285440, 378208, 472760, 756416, 945520, 1512832, 1891040, 3025664, 3782080, 7564160, 15128320]

約数ペア:

[(1, 15128320), (2, 7564160), (4, 3782080), (5, 3025664), (8, 1891040), (10, 1512832), (16, 945520), (20, 756416), (32, 472760), (40, 378208), (53, 285440), (64, 236380), (80, 189104), (106, 142720), (128, 118190), (160, 94552), (212, 71360), (223, 67840), (256, 59095), (265, 57088), (320, 47276), (424, 35680), (446, 33920), (530, 28544), (640, 23638), (848, 17840), (892, 16960), (1060, 14272), (1115, 13568), (1280, 11819), (1696, 8920), (1784, 8480), (2120, 7136), (2230, 6784), (3392, 4460), (3568, 4240)]