2555220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 7354368

約数和(自身を除く): 4799148

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, 1110, 1151, 2220, 2302, 3453, 4604, 5755, 6906, 11510, 13812, 17265, 23020, 34530, 42587, 69060, 85174, 127761, 170348, 212935, 255522, 425870, 511044, 638805, 851740, 1277610, 2555220]

約数ペア:

[(1, 2555220), (2, 1277610), (3, 851740), (4, 638805), (5, 511044), (6, 425870), (10, 255522), (12, 212935), (15, 170348), (20, 127761), (30, 85174), (37, 69060), (60, 42587), (74, 34530), (111, 23020), (148, 17265), (185, 13812), (222, 11510), (370, 6906), (444, 5755), (555, 4604), (740, 3453), (1110, 2302), (1151, 2220)]