329252280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{391967}}^1$

素因数の和:391988

約数の個数: 64

約数和(自身を含む): 1128867840

約数和(自身を除く): 799615560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 391967, 783934, 1175901, 1567868, 1959835, 2351802, 2743769, 3135736, 3919670, 4703604, 5487538, 5879505, 7839340, 8231307, 9407208, 10975076, 11759010, 13718845, 15678680, 16462614, 21950152, 23518020, 27437690, 32925228, 41156535, 47036040, 54875380, 65850456, 82313070, 109750760, 164626140, 329252280]

約数ペア:

[(1, 329252280), (2, 164626140), (3, 109750760), (4, 82313070), (5, 65850456), (6, 54875380), (7, 47036040), (8, 41156535), (10, 32925228), (12, 27437690), (14, 23518020), (15, 21950152), (20, 16462614), (21, 15678680), (24, 13718845), (28, 11759010), (30, 10975076), (35, 9407208), (40, 8231307), (42, 7839340), (56, 5879505), (60, 5487538), (70, 4703604), (84, 3919670), (105, 3135736), (120, 2743769), (140, 2351802), (168, 1959835), (210, 1567868), (280, 1175901), (420, 783934), (840, 391967)]