81642660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123701}}^1$

素因数の和:123724

約数の個数: 48

約数和(自身を含む): 249383232

約数和(自身を除く): 167740572

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, 123701, 247402, 371103, 494804, 618505, 742206, 1237010, 1360711, 1484412, 1855515, 2474020, 2721422, 3711030, 4082133, 5442844, 6803555, 7422060, 8164266, 13607110, 16328532, 20410665, 27214220, 40821330, 81642660]

約数ペア:

[(1, 81642660), (2, 40821330), (3, 27214220), (4, 20410665), (5, 16328532), (6, 13607110), (10, 8164266), (11, 7422060), (12, 6803555), (15, 5442844), (20, 4082133), (22, 3711030), (30, 2721422), (33, 2474020), (44, 1855515), (55, 1484412), (60, 1360711), (66, 1237010), (110, 742206), (132, 618505), (165, 494804), (220, 371103), (330, 247402), (660, 123701)]