19990560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41647}}^1$

素因数の和:41665

約数の個数: 48

約数和(自身を含む): 62971776

約数和(自身を除く): 42981216

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, 41647, 83294, 124941, 166588, 208235, 249882, 333176, 416470, 499764, 624705, 666352, 832940, 999528, 1249410, 1332704, 1665880, 1999056, 2498820, 3331760, 3998112, 4997640, 6663520, 9995280, 19990560]

約数ペア:

[(1, 19990560), (2, 9995280), (3, 6663520), (4, 4997640), (5, 3998112), (6, 3331760), (8, 2498820), (10, 1999056), (12, 1665880), (15, 1332704), (16, 1249410), (20, 999528), (24, 832940), (30, 666352), (32, 624705), (40, 499764), (48, 416470), (60, 333176), (80, 249882), (96, 208235), (120, 166588), (160, 124941), (240, 83294), (480, 41647)]