421754560

素因数分解:

$2^6\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2341}}^1$

素因数の和:2921

約数の個数: 56

約数和(自身を含む): 1006516656

約数和(自身を除く): 584762096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 563, 1126, 2252, 2341, 2815, 4504, 4682, 5630, 9008, 9364, 11260, 11705, 18016, 18728, 22520, 23410, 36032, 37456, 45040, 46820, 74912, 90080, 93640, 149824, 180160, 187280, 374560, 749120, 1317983, 2635966, 5271932, 6589915, 10543864, 13179830, 21087728, 26359660, 42175456, 52719320, 84350912, 105438640, 210877280, 421754560]

約数ペア:

[(1, 421754560), (2, 210877280), (4, 105438640), (5, 84350912), (8, 52719320), (10, 42175456), (16, 26359660), (20, 21087728), (32, 13179830), (40, 10543864), (64, 6589915), (80, 5271932), (160, 2635966), (320, 1317983), (563, 749120), (1126, 374560), (2252, 187280), (2341, 180160), (2815, 149824), (4504, 93640), (4682, 90080), (5630, 74912), (9008, 46820), (9364, 45040), (11260, 37456), (11705, 36032), (18016, 23410), (18728, 22520)]