16181580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 46802448

約数和(自身を除く): 30620868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 197, 222, 370, 394, 444, 555, 591, 740, 788, 985, 1110, 1182, 1369, 1970, 2220, 2364, 2738, 2955, 3940, 4107, 5476, 5910, 6845, 7289, 8214, 11820, 13690, 14578, 16428, 20535, 21867, 27380, 29156, 36445, 41070, 43734, 72890, 82140, 87468, 109335, 145780, 218670, 269693, 437340, 539386, 809079, 1078772, 1348465, 1618158, 2696930, 3236316, 4045395, 5393860, 8090790, 16181580]

約数ペア:

[(1, 16181580), (2, 8090790), (3, 5393860), (4, 4045395), (5, 3236316), (6, 2696930), (10, 1618158), (12, 1348465), (15, 1078772), (20, 809079), (30, 539386), (37, 437340), (60, 269693), (74, 218670), (111, 145780), (148, 109335), (185, 87468), (197, 82140), (222, 72890), (370, 43734), (394, 41070), (444, 36445), (555, 29156), (591, 27380), (740, 21867), (788, 20535), (985, 16428), (1110, 14578), (1182, 13690), (1369, 11820), (1970, 8214), (2220, 7289), (2364, 6845), (2738, 5910), (2955, 5476), (3940, 4107)]