2980880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5323}}^1$

素因数の和:5343

約数の個数: 40

約数和(自身を含む): 7922112

約数和(自身を除く): 4941232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5323, 10646, 21292, 26615, 37261, 42584, 53230, 74522, 85168, 106460, 149044, 186305, 212920, 298088, 372610, 425840, 596176, 745220, 1490440, 2980880]

約数ペア:

[(1, 2980880), (2, 1490440), (4, 745220), (5, 596176), (7, 425840), (8, 372610), (10, 298088), (14, 212920), (16, 186305), (20, 149044), (28, 106460), (35, 85168), (40, 74522), (56, 53230), (70, 42584), (80, 37261), (112, 26615), (140, 21292), (280, 10646), (560, 5323)]