20181287040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10511087}}^1$

素因数の和:10511109

約数の個数: 64

約数和(自身を含む): 64327858560

約数和(自身を除く): 44146571520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10511087, 21022174, 31533261, 42044348, 52555435, 63066522, 84088696, 105110870, 126133044, 157666305, 168177392, 210221740, 252266088, 315332610, 336354784, 420443480, 504532176, 630665220, 672709568, 840886960, 1009064352, 1261330440, 1345419136, 1681773920, 2018128704, 2522660880, 3363547840, 4036257408, 5045321760, 6727095680, 10090643520, 20181287040]

約数ペア:

[(1, 20181287040), (2, 10090643520), (3, 6727095680), (4, 5045321760), (5, 4036257408), (6, 3363547840), (8, 2522660880), (10, 2018128704), (12, 1681773920), (15, 1345419136), (16, 1261330440), (20, 1009064352), (24, 840886960), (30, 672709568), (32, 630665220), (40, 504532176), (48, 420443480), (60, 336354784), (64, 315332610), (80, 252266088), (96, 210221740), (120, 168177392), (128, 157666305), (160, 126133044), (192, 105110870), (240, 84088696), (320, 63066522), (384, 52555435), (480, 42044348), (640, 31533261), (960, 21022174), (1920, 10511087)]