16471957880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1897691}}^1$

素因数の和:1897740

約数の個数: 64

約数和(自身を含む): 43722823680

約数和(自身を除く): 27250865800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 1897691, 3795382, 7590764, 9488455, 13283837, 15181528, 18976910, 26567674, 37953820, 53135348, 58828421, 66419185, 75907640, 106270696, 117656842, 132838370, 235313684, 265676740, 294142105, 411798947, 470627368, 531353480, 588284210, 823597894, 1176568420, 1647195788, 2058994735, 2353136840, 3294391576, 4117989470, 8235978940, 16471957880]

約数ペア:

[(1, 16471957880), (2, 8235978940), (4, 4117989470), (5, 3294391576), (7, 2353136840), (8, 2058994735), (10, 1647195788), (14, 1176568420), (20, 823597894), (28, 588284210), (31, 531353480), (35, 470627368), (40, 411798947), (56, 294142105), (62, 265676740), (70, 235313684), (124, 132838370), (140, 117656842), (155, 106270696), (217, 75907640), (248, 66419185), (280, 58828421), (310, 53135348), (434, 37953820), (620, 26567674), (868, 18976910), (1085, 15181528), (1240, 13283837), (1736, 9488455), (2170, 7590764), (4340, 3795382), (8680, 1897691)]