198158760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{550441}}^1$

素因数の和:550458

約数の個数: 48

約数和(自身を含む): 644017140

約数和(自身を除く): 445858380

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, 550441, 1100882, 1651323, 2201764, 2752205, 3302646, 4403528, 4953969, 5504410, 6605292, 8256615, 9907938, 11008820, 13210584, 16513230, 19815876, 22017640, 24769845, 33026460, 39631752, 49539690, 66052920, 99079380, 198158760]

約数ペア:

[(1, 198158760), (2, 99079380), (3, 66052920), (4, 49539690), (5, 39631752), (6, 33026460), (8, 24769845), (9, 22017640), (10, 19815876), (12, 16513230), (15, 13210584), (18, 11008820), (20, 9907938), (24, 8256615), (30, 6605292), (36, 5504410), (40, 4953969), (45, 4403528), (60, 3302646), (72, 2752205), (90, 2201764), (120, 1651323), (180, 1100882), (360, 550441)]