1445780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 3628800

約数和(自身を除く): 2183020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 449, 460, 644, 805, 898, 1610, 1796, 2245, 3143, 3220, 4490, 6286, 8980, 10327, 12572, 15715, 20654, 31430, 41308, 51635, 62860, 72289, 103270, 144578, 206540, 289156, 361445, 722890, 1445780]

約数ペア:

[(1, 1445780), (2, 722890), (4, 361445), (5, 289156), (7, 206540), (10, 144578), (14, 103270), (20, 72289), (23, 62860), (28, 51635), (35, 41308), (46, 31430), (70, 20654), (92, 15715), (115, 12572), (140, 10327), (161, 8980), (230, 6286), (322, 4490), (449, 3220), (460, 3143), (644, 2245), (805, 1796), (898, 1610)]