1556220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 4481568

約数和(自身を除く): 2925348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 701, 740, 1110, 1402, 2103, 2220, 2804, 3505, 4206, 7010, 8412, 10515, 14020, 21030, 25937, 42060, 51874, 77811, 103748, 129685, 155622, 259370, 311244, 389055, 518740, 778110, 1556220]

約数ペア:

[(1, 1556220), (2, 778110), (3, 518740), (4, 389055), (5, 311244), (6, 259370), (10, 155622), (12, 129685), (15, 103748), (20, 77811), (30, 51874), (37, 42060), (60, 25937), (74, 21030), (111, 14020), (148, 10515), (185, 8412), (222, 7010), (370, 4206), (444, 3505), (555, 2804), (701, 2220), (740, 2103), (1110, 1402)]