219090720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{456439}}^1$

素因数の和:456457

約数の個数: 48

約数和(自身を含む): 690137280

約数和(自身を除く): 471046560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 456439, 912878, 1369317, 1825756, 2282195, 2738634, 3651512, 4564390, 5477268, 6846585, 7303024, 9128780, 10954536, 13693170, 14606048, 18257560, 21909072, 27386340, 36515120, 43818144, 54772680, 73030240, 109545360, 219090720]

約数ペア:

[(1, 219090720), (2, 109545360), (3, 73030240), (4, 54772680), (5, 43818144), (6, 36515120), (8, 27386340), (10, 21909072), (12, 18257560), (15, 14606048), (16, 13693170), (20, 10954536), (24, 9128780), (30, 7303024), (32, 6846585), (40, 5477268), (48, 4564390), (60, 3651512), (80, 2738634), (96, 2282195), (120, 1825756), (160, 1369317), (240, 912878), (480, 456439)]