262020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 802368

約数和(自身を除く): 540348

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, 397, 660, 794, 1191, 1588, 1985, 2382, 3970, 4367, 4764, 5955, 7940, 8734, 11910, 13101, 17468, 21835, 23820, 26202, 43670, 52404, 65505, 87340, 131010, 262020]

約数ペア:

[(1, 262020), (2, 131010), (3, 87340), (4, 65505), (5, 52404), (6, 43670), (10, 26202), (11, 23820), (12, 21835), (15, 17468), (20, 13101), (22, 11910), (30, 8734), (33, 7940), (44, 5955), (55, 4764), (60, 4367), (66, 3970), (110, 2382), (132, 1985), (165, 1588), (220, 1191), (330, 794), (397, 660)]