8981580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1399}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 25401600

約数和(自身を除く): 16420020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1399, 1605, 2140, 2798, 3210, 4197, 5596, 6420, 6995, 8394, 13990, 16788, 20985, 27980, 41970, 83940, 149693, 299386, 449079, 598772, 748465, 898158, 1496930, 1796316, 2245395, 2993860, 4490790, 8981580]

約数ペア:

[(1, 8981580), (2, 4490790), (3, 2993860), (4, 2245395), (5, 1796316), (6, 1496930), (10, 898158), (12, 748465), (15, 598772), (20, 449079), (30, 299386), (60, 149693), (107, 83940), (214, 41970), (321, 27980), (428, 20985), (535, 16788), (642, 13990), (1070, 8394), (1284, 6995), (1399, 6420), (1605, 5596), (2140, 4197), (2798, 3210)]