655126320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4219}}^1$

素因数の和:4882

約数の個数: 80

約数和(自身を含む): 2034512640

約数和(自身を除く): 1379386320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647, 1294, 1941, 2588, 3235, 3882, 4219, 5176, 6470, 7764, 8438, 9705, 10352, 12657, 12940, 15528, 16876, 19410, 21095, 25314, 25880, 31056, 33752, 38820, 42190, 50628, 51760, 63285, 67504, 77640, 84380, 101256, 126570, 155280, 168760, 202512, 253140, 337520, 506280, 1012560, 2729693, 5459386, 8189079, 10918772, 13648465, 16378158, 21837544, 27296930, 32756316, 40945395, 43675088, 54593860, 65512632, 81890790, 109187720, 131025264, 163781580, 218375440, 327563160, 655126320]

約数ペア:

[(1, 655126320), (2, 327563160), (3, 218375440), (4, 163781580), (5, 131025264), (6, 109187720), (8, 81890790), (10, 65512632), (12, 54593860), (15, 43675088), (16, 40945395), (20, 32756316), (24, 27296930), (30, 21837544), (40, 16378158), (48, 13648465), (60, 10918772), (80, 8189079), (120, 5459386), (240, 2729693), (647, 1012560), (1294, 506280), (1941, 337520), (2588, 253140), (3235, 202512), (3882, 168760), (4219, 155280), (5176, 126570), (6470, 101256), (7764, 84380), (8438, 77640), (9705, 67504), (10352, 63285), (12657, 51760), (12940, 50628), (15528, 42190), (16876, 38820), (19410, 33752), (21095, 31056), (25314, 25880)]