1613512220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{30757}}^1$

素因数の和:30870

約数の個数: 48

約数和(自身を含む): 3524128608

約数和(自身を除く): 1910616388

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 860, 1220, 2623, 5246, 10492, 13115, 26230, 30757, 52460, 61514, 123028, 153785, 307570, 615140, 1322551, 1876177, 2645102, 3752354, 5290204, 6612755, 7504708, 9380885, 13225510, 18761770, 26451020, 37523540, 80675611, 161351222, 322702444, 403378055, 806756110, 1613512220]

約数ペア:

[(1, 1613512220), (2, 806756110), (4, 403378055), (5, 322702444), (10, 161351222), (20, 80675611), (43, 37523540), (61, 26451020), (86, 18761770), (122, 13225510), (172, 9380885), (215, 7504708), (244, 6612755), (305, 5290204), (430, 3752354), (610, 2645102), (860, 1876177), (1220, 1322551), (2623, 615140), (5246, 307570), (10492, 153785), (13115, 123028), (26230, 61514), (30757, 52460)]