81187620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{36571}}^1$

素因数の和:36620

約数の個数: 48

約数和(自身を含む): 233475648

約数和(自身を除く): 152288028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 36571, 73142, 109713, 146284, 182855, 219426, 365710, 438852, 548565, 731420, 1097130, 1353127, 2194260, 2706254, 4059381, 5412508, 6765635, 8118762, 13531270, 16237524, 20296905, 27062540, 40593810, 81187620]

約数ペア:

[(1, 81187620), (2, 40593810), (3, 27062540), (4, 20296905), (5, 16237524), (6, 13531270), (10, 8118762), (12, 6765635), (15, 5412508), (20, 4059381), (30, 2706254), (37, 2194260), (60, 1353127), (74, 1097130), (111, 731420), (148, 548565), (185, 438852), (222, 365710), (370, 219426), (444, 182855), (555, 146284), (740, 109713), (1110, 73142), (2220, 36571)]