855960

素因数分解:

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

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 2937600

約数和(自身を除く): 2081640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1019, 2038, 3057, 4076, 5095, 6114, 7133, 8152, 10190, 12228, 14266, 15285, 20380, 21399, 24456, 28532, 30570, 35665, 40760, 42798, 57064, 61140, 71330, 85596, 106995, 122280, 142660, 171192, 213990, 285320, 427980, 855960]

約数ペア:

[(1, 855960), (2, 427980), (3, 285320), (4, 213990), (5, 171192), (6, 142660), (7, 122280), (8, 106995), (10, 85596), (12, 71330), (14, 61140), (15, 57064), (20, 42798), (21, 40760), (24, 35665), (28, 30570), (30, 28532), (35, 24456), (40, 21399), (42, 20380), (56, 15285), (60, 14266), (70, 12228), (84, 10190), (105, 8152), (120, 7133), (140, 6114), (168, 5095), (210, 4076), (280, 3057), (420, 2038), (840, 1019)]