2908865480

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{3067}}^1$

素因数の和:3390

約数の個数: 64

約数和(自身を含む): 6633506880

約数和(自身を除く): 3724641400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 181, 262, 362, 524, 655, 724, 905, 1048, 1310, 1448, 1810, 2620, 3067, 3620, 5240, 6134, 7240, 12268, 15335, 23711, 24536, 30670, 47422, 61340, 94844, 118555, 122680, 189688, 237110, 401777, 474220, 555127, 803554, 948440, 1110254, 1607108, 2008885, 2220508, 2775635, 3214216, 4017770, 4441016, 5551270, 8035540, 11102540, 16071080, 22205080, 72721637, 145443274, 290886548, 363608185, 581773096, 727216370, 1454432740, 2908865480]

約数ペア:

[(1, 2908865480), (2, 1454432740), (4, 727216370), (5, 581773096), (8, 363608185), (10, 290886548), (20, 145443274), (40, 72721637), (131, 22205080), (181, 16071080), (262, 11102540), (362, 8035540), (524, 5551270), (655, 4441016), (724, 4017770), (905, 3214216), (1048, 2775635), (1310, 2220508), (1448, 2008885), (1810, 1607108), (2620, 1110254), (3067, 948440), (3620, 803554), (5240, 555127), (6134, 474220), (7240, 401777), (12268, 237110), (15335, 189688), (23711, 122680), (24536, 118555), (30670, 94844), (47422, 61340)]