858540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 2469600

約数和(自身を除く): 1611060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 349, 410, 492, 615, 698, 820, 1047, 1230, 1396, 1745, 2094, 2460, 3490, 4188, 5235, 6980, 10470, 14309, 20940, 28618, 42927, 57236, 71545, 85854, 143090, 171708, 214635, 286180, 429270, 858540]

約数ペア:

[(1, 858540), (2, 429270), (3, 286180), (4, 214635), (5, 171708), (6, 143090), (10, 85854), (12, 71545), (15, 57236), (20, 42927), (30, 28618), (41, 20940), (60, 14309), (82, 10470), (123, 6980), (164, 5235), (205, 4188), (246, 3490), (349, 2460), (410, 2094), (492, 1745), (615, 1396), (698, 1230), (820, 1047)]