28701420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43487}}^1$

素因数の和:43510

約数の個数: 48

約数和(自身を含む): 87671808

約数和(自身を除く): 58970388

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 43487, 86974, 130461, 173948, 217435, 260922, 434870, 478357, 521844, 652305, 869740, 956714, 1304610, 1435071, 1913428, 2391785, 2609220, 2870142, 4783570, 5740284, 7175355, 9567140, 14350710, 28701420]

約数ペア:

[(1, 28701420), (2, 14350710), (3, 9567140), (4, 7175355), (5, 5740284), (6, 4783570), (10, 2870142), (11, 2609220), (12, 2391785), (15, 1913428), (20, 1435071), (22, 1304610), (30, 956714), (33, 869740), (44, 652305), (55, 521844), (60, 478357), (66, 434870), (110, 260922), (132, 217435), (165, 173948), (220, 130461), (330, 86974), (660, 43487)]