81189720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225527}}^1$

素因数の和:225544

約数の個数: 48

約数和(自身を含む): 263867760

約数和(自身を除く): 182678040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225527, 451054, 676581, 902108, 1127635, 1353162, 1804216, 2029743, 2255270, 2706324, 3382905, 4059486, 4510540, 5412648, 6765810, 8118972, 9021080, 10148715, 13531620, 16237944, 20297430, 27063240, 40594860, 81189720]

約数ペア:

[(1, 81189720), (2, 40594860), (3, 27063240), (4, 20297430), (5, 16237944), (6, 13531620), (8, 10148715), (9, 9021080), (10, 8118972), (12, 6765810), (15, 5412648), (18, 4510540), (20, 4059486), (24, 3382905), (30, 2706324), (36, 2255270), (40, 2029743), (45, 1804216), (60, 1353162), (72, 1127635), (90, 902108), (120, 676581), (180, 451054), (360, 225527)]