28705920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{14951}}^1$

素因数の和:14973

約数の個数: 64

約数和(自身を含む): 91506240

約数和(自身を除く): 62800320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 14951, 29902, 44853, 59804, 74755, 89706, 119608, 149510, 179412, 224265, 239216, 299020, 358824, 448530, 478432, 598040, 717648, 897060, 956864, 1196080, 1435296, 1794120, 1913728, 2392160, 2870592, 3588240, 4784320, 5741184, 7176480, 9568640, 14352960, 28705920]

約数ペア:

[(1, 28705920), (2, 14352960), (3, 9568640), (4, 7176480), (5, 5741184), (6, 4784320), (8, 3588240), (10, 2870592), (12, 2392160), (15, 1913728), (16, 1794120), (20, 1435296), (24, 1196080), (30, 956864), (32, 897060), (40, 717648), (48, 598040), (60, 478432), (64, 448530), (80, 358824), (96, 299020), (120, 239216), (128, 224265), (160, 179412), (192, 149510), (240, 119608), (320, 89706), (384, 74755), (480, 59804), (640, 44853), (960, 29902), (1920, 14951)]