81380790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1217}}^1$

素因数の和:1973

約数の個数: 48

約数和(自身を含む): 212048928

約数和(自身を除く): 130668138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 743, 1217, 1486, 2229, 2434, 3651, 3715, 4458, 6085, 6687, 7302, 7430, 10953, 11145, 12170, 13374, 18255, 21906, 22290, 33435, 36510, 54765, 66870, 109530, 904231, 1808462, 2712693, 4521155, 5425386, 8138079, 9042310, 13563465, 16276158, 27126930, 40690395, 81380790]

約数ペア:

[(1, 81380790), (2, 40690395), (3, 27126930), (5, 16276158), (6, 13563465), (9, 9042310), (10, 8138079), (15, 5425386), (18, 4521155), (30, 2712693), (45, 1808462), (90, 904231), (743, 109530), (1217, 66870), (1486, 54765), (2229, 36510), (2434, 33435), (3651, 22290), (3715, 21906), (4458, 18255), (6085, 13374), (6687, 12170), (7302, 11145), (7430, 10953)]