66685140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123491}}^1$

素因数の和:123509

約数の個数: 48

約数和(自身を含む): 207466560

約数和(自身を除く): 140781420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 123491, 246982, 370473, 493964, 617455, 740946, 1111419, 1234910, 1481892, 1852365, 2222838, 2469820, 3334257, 3704730, 4445676, 5557095, 6668514, 7409460, 11114190, 13337028, 16671285, 22228380, 33342570, 66685140]

約数ペア:

[(1, 66685140), (2, 33342570), (3, 22228380), (4, 16671285), (5, 13337028), (6, 11114190), (9, 7409460), (10, 6668514), (12, 5557095), (15, 4445676), (18, 3704730), (20, 3334257), (27, 2469820), (30, 2222838), (36, 1852365), (45, 1481892), (54, 1234910), (60, 1111419), (90, 740946), (108, 617455), (135, 493964), (180, 370473), (270, 246982), (540, 123491)]