15121960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 24535640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1019, 1060, 1484, 1855, 2038, 2120, 2968, 3710, 4076, 5095, 7133, 7420, 8152, 10190, 14266, 14840, 20380, 28532, 35665, 40760, 54007, 57064, 71330, 108014, 142660, 216028, 270035, 285320, 378049, 432056, 540070, 756098, 1080140, 1512196, 1890245, 2160280, 3024392, 3780490, 7560980, 15121960]

約数ペア:

[(1, 15121960), (2, 7560980), (4, 3780490), (5, 3024392), (7, 2160280), (8, 1890245), (10, 1512196), (14, 1080140), (20, 756098), (28, 540070), (35, 432056), (40, 378049), (53, 285320), (56, 270035), (70, 216028), (106, 142660), (140, 108014), (212, 71330), (265, 57064), (280, 54007), (371, 40760), (424, 35665), (530, 28532), (742, 20380), (1019, 14840), (1060, 14266), (1484, 10190), (1855, 8152), (2038, 7420), (2120, 7133), (2968, 5095), (3710, 4076)]