1242900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{1381}}^1$

素因数の和:1401

約数の個数: 54

約数和(自身を含む): 3898622

約数和(自身を除く): 2655722

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 1381, 2762, 4143, 5524, 6905, 8286, 12429, 13810, 16572, 20715, 24858, 27620, 34525, 41430, 49716, 62145, 69050, 82860, 103575, 124290, 138100, 207150, 248580, 310725, 414300, 621450, 1242900]

約数ペア:

[(1, 1242900), (2, 621450), (3, 414300), (4, 310725), (5, 248580), (6, 207150), (9, 138100), (10, 124290), (12, 103575), (15, 82860), (18, 69050), (20, 62145), (25, 49716), (30, 41430), (36, 34525), (45, 27620), (50, 24858), (60, 20715), (75, 16572), (90, 13810), (100, 12429), (150, 8286), (180, 6905), (225, 5524), (300, 4143), (450, 2762), (900, 1381)]