821228160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{427723}}^1$

素因数の和:427745

約数の個数: 64

約数和(自身を含む): 2617670880

約数和(自身を除く): 1796442720

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, 427723, 855446, 1283169, 1710892, 2138615, 2566338, 3421784, 4277230, 5132676, 6415845, 6843568, 8554460, 10265352, 12831690, 13687136, 17108920, 20530704, 25663380, 27374272, 34217840, 41061408, 51326760, 54748544, 68435680, 82122816, 102653520, 136871360, 164245632, 205307040, 273742720, 410614080, 821228160]

約数ペア:

[(1, 821228160), (2, 410614080), (3, 273742720), (4, 205307040), (5, 164245632), (6, 136871360), (8, 102653520), (10, 82122816), (12, 68435680), (15, 54748544), (16, 51326760), (20, 41061408), (24, 34217840), (30, 27374272), (32, 25663380), (40, 20530704), (48, 17108920), (60, 13687136), (64, 12831690), (80, 10265352), (96, 8554460), (120, 6843568), (128, 6415845), (160, 5132676), (192, 4277230), (240, 3421784), (320, 2566338), (384, 2138615), (480, 1710892), (640, 1283169), (960, 855446), (1920, 427723)]