28660020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{757}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 80481408

約数和(自身を除く): 51821388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 631, 757, 1262, 1514, 1893, 2271, 2524, 3028, 3155, 3785, 3786, 4542, 6310, 7570, 7572, 9084, 9465, 11355, 12620, 15140, 18930, 22710, 37860, 45420, 477667, 955334, 1433001, 1910668, 2388335, 2866002, 4776670, 5732004, 7165005, 9553340, 14330010, 28660020]

約数ペア:

[(1, 28660020), (2, 14330010), (3, 9553340), (4, 7165005), (5, 5732004), (6, 4776670), (10, 2866002), (12, 2388335), (15, 1910668), (20, 1433001), (30, 955334), (60, 477667), (631, 45420), (757, 37860), (1262, 22710), (1514, 18930), (1893, 15140), (2271, 12620), (2524, 11355), (3028, 9465), (3155, 9084), (3785, 7572), (3786, 7570), (4542, 6310)]