2461980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 7086240

約数和(自身を除く): 4624260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1109, 1110, 2218, 2220, 3327, 4436, 5545, 6654, 11090, 13308, 16635, 22180, 33270, 41033, 66540, 82066, 123099, 164132, 205165, 246198, 410330, 492396, 615495, 820660, 1230990, 2461980]

約数ペア:

[(1, 2461980), (2, 1230990), (3, 820660), (4, 615495), (5, 492396), (6, 410330), (10, 246198), (12, 205165), (15, 164132), (20, 123099), (30, 82066), (37, 66540), (60, 41033), (74, 33270), (111, 22180), (148, 16635), (185, 13308), (222, 11090), (370, 6654), (444, 5545), (555, 4436), (740, 3327), (1109, 2220), (1110, 2218)]