1620591660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{15823}}^1$

素因数の和:16407

約数の個数: 72

約数和(自身を含む): 4924745280

約数和(自身を除く): 3304153620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 569, 1138, 1707, 2276, 2845, 3414, 5121, 5690, 6828, 8535, 10242, 11380, 15823, 17070, 20484, 25605, 31646, 34140, 47469, 51210, 63292, 79115, 94938, 102420, 142407, 158230, 189876, 237345, 284814, 316460, 474690, 569628, 712035, 949380, 1424070, 2848140, 9003287, 18006574, 27009861, 36013148, 45016435, 54019722, 81029583, 90032870, 108039444, 135049305, 162059166, 180065740, 270098610, 324118332, 405147915, 540197220, 810295830, 1620591660]

約数ペア:

[(1, 1620591660), (2, 810295830), (3, 540197220), (4, 405147915), (5, 324118332), (6, 270098610), (9, 180065740), (10, 162059166), (12, 135049305), (15, 108039444), (18, 90032870), (20, 81029583), (30, 54019722), (36, 45016435), (45, 36013148), (60, 27009861), (90, 18006574), (180, 9003287), (569, 2848140), (1138, 1424070), (1707, 949380), (2276, 712035), (2845, 569628), (3414, 474690), (5121, 316460), (5690, 284814), (6828, 237345), (8535, 189876), (10242, 158230), (11380, 142407), (15823, 102420), (17070, 94938), (20484, 79115), (25605, 63292), (31646, 51210), (34140, 47469)]