639367530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{4093}}^1$

素因数の和:4271

約数の個数: 64

約数和(自身を含む): 1584672768

約数和(自身を除く): 945305238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 127, 205, 246, 254, 381, 410, 615, 635, 762, 1230, 1270, 1905, 3810, 4093, 5207, 8186, 10414, 12279, 15621, 20465, 24558, 26035, 31242, 40930, 52070, 61395, 78105, 122790, 156210, 167813, 335626, 503439, 519811, 839065, 1006878, 1039622, 1559433, 1678130, 2517195, 2599055, 3118866, 5034390, 5198110, 7797165, 15594330, 21312251, 42624502, 63936753, 106561255, 127873506, 213122510, 319683765, 639367530]

約数ペア:

[(1, 639367530), (2, 319683765), (3, 213122510), (5, 127873506), (6, 106561255), (10, 63936753), (15, 42624502), (30, 21312251), (41, 15594330), (82, 7797165), (123, 5198110), (127, 5034390), (205, 3118866), (246, 2599055), (254, 2517195), (381, 1678130), (410, 1559433), (615, 1039622), (635, 1006878), (762, 839065), (1230, 519811), (1270, 503439), (1905, 335626), (3810, 167813), (4093, 156210), (5207, 122790), (8186, 78105), (10414, 61395), (12279, 52070), (15621, 40930), (20465, 31242), (24558, 26035)]