21877920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15193}}^1$

素因数の和:15214

約数の個数: 72

約数和(自身を含む): 74663316

約数和(自身を除く): 52785396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 15193, 30386, 45579, 60772, 75965, 91158, 121544, 136737, 151930, 182316, 227895, 243088, 273474, 303860, 364632, 455790, 486176, 546948, 607720, 683685, 729264, 911580, 1093896, 1215440, 1367370, 1458528, 1823160, 2187792, 2430880, 2734740, 3646320, 4375584, 5469480, 7292640, 10938960, 21877920]

約数ペア:

[(1, 21877920), (2, 10938960), (3, 7292640), (4, 5469480), (5, 4375584), (6, 3646320), (8, 2734740), (9, 2430880), (10, 2187792), (12, 1823160), (15, 1458528), (16, 1367370), (18, 1215440), (20, 1093896), (24, 911580), (30, 729264), (32, 683685), (36, 607720), (40, 546948), (45, 486176), (48, 455790), (60, 364632), (72, 303860), (80, 273474), (90, 243088), (96, 227895), (120, 182316), (144, 151930), (160, 136737), (180, 121544), (240, 91158), (288, 75965), (360, 60772), (480, 45579), (720, 30386), (1440, 15193)]