1641280

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 56

約数和(自身を含む): 4096512

約数和(自身を除く): 2455232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 223, 230, 320, 368, 446, 460, 736, 892, 920, 1115, 1472, 1784, 1840, 2230, 3568, 3680, 4460, 5129, 7136, 7360, 8920, 10258, 14272, 17840, 20516, 25645, 35680, 41032, 51290, 71360, 82064, 102580, 164128, 205160, 328256, 410320, 820640, 1641280]

約数ペア:

[(1, 1641280), (2, 820640), (4, 410320), (5, 328256), (8, 205160), (10, 164128), (16, 102580), (20, 82064), (23, 71360), (32, 51290), (40, 41032), (46, 35680), (64, 25645), (80, 20516), (92, 17840), (115, 14272), (160, 10258), (184, 8920), (223, 7360), (230, 7136), (320, 5129), (368, 4460), (446, 3680), (460, 3568), (736, 2230), (892, 1840), (920, 1784), (1115, 1472)]