855840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1783}}^1$

素因数の和:1801

約数の個数: 48

約数和(自身を含む): 2697408

約数和(自身を除く): 1841568

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, 1783, 3566, 5349, 7132, 8915, 10698, 14264, 17830, 21396, 26745, 28528, 35660, 42792, 53490, 57056, 71320, 85584, 106980, 142640, 171168, 213960, 285280, 427920, 855840]

約数ペア:

[(1, 855840), (2, 427920), (3, 285280), (4, 213960), (5, 171168), (6, 142640), (8, 106980), (10, 85584), (12, 71320), (15, 57056), (16, 53490), (20, 42792), (24, 35660), (30, 28528), (32, 26745), (40, 21396), (48, 17830), (60, 14264), (80, 10698), (96, 8915), (120, 7132), (160, 5349), (240, 3566), (480, 1783)]