90280120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322429}}^1$

素因数の和:322447

約数の個数: 32

約数和(自身を含む): 232149600

約数和(自身を除く): 141869480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322429, 644858, 1289716, 1612145, 2257003, 2579432, 3224290, 4514006, 6448580, 9028012, 11285015, 12897160, 18056024, 22570030, 45140060, 90280120]

約数ペア:

[(1, 90280120), (2, 45140060), (4, 22570030), (5, 18056024), (7, 12897160), (8, 11285015), (10, 9028012), (14, 6448580), (20, 4514006), (28, 3224290), (35, 2579432), (40, 2257003), (56, 1612145), (70, 1289716), (140, 644858), (280, 322429)]