1572190840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{5171}}^1$

素因数の和:5884

約数の個数: 64

約数和(自身を含む): 3865345920

約数和(自身を除く): 2293155080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 691, 1382, 2764, 3455, 5171, 5528, 6910, 7601, 10342, 13820, 15202, 20684, 25855, 27640, 30404, 38005, 41368, 51710, 56881, 60808, 76010, 103420, 113762, 152020, 206840, 227524, 284405, 304040, 455048, 568810, 1137620, 2275240, 3573161, 7146322, 14292644, 17865805, 28585288, 35731610, 39304771, 71463220, 78609542, 142926440, 157219084, 196523855, 314438168, 393047710, 786095420, 1572190840]

約数ペア:

[(1, 1572190840), (2, 786095420), (4, 393047710), (5, 314438168), (8, 196523855), (10, 157219084), (11, 142926440), (20, 78609542), (22, 71463220), (40, 39304771), (44, 35731610), (55, 28585288), (88, 17865805), (110, 14292644), (220, 7146322), (440, 3573161), (691, 2275240), (1382, 1137620), (2764, 568810), (3455, 455048), (5171, 304040), (5528, 284405), (6910, 227524), (7601, 206840), (10342, 152020), (13820, 113762), (15202, 103420), (20684, 76010), (25855, 60808), (27640, 56881), (30404, 51710), (38005, 41368)]