131180820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21647}}^1$

素因数の和:21760

約数の個数: 48

約数和(自身を含む): 370960128

約数和(自身を除く): 239779308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 6060, 21647, 43294, 64941, 86588, 108235, 129882, 216470, 259764, 324705, 432940, 649410, 1298820, 2186347, 4372694, 6559041, 8745388, 10931735, 13118082, 21863470, 26236164, 32795205, 43726940, 65590410, 131180820]

約数ペア:

[(1, 131180820), (2, 65590410), (3, 43726940), (4, 32795205), (5, 26236164), (6, 21863470), (10, 13118082), (12, 10931735), (15, 8745388), (20, 6559041), (30, 4372694), (60, 2186347), (101, 1298820), (202, 649410), (303, 432940), (404, 324705), (505, 259764), (606, 216470), (1010, 129882), (1212, 108235), (1515, 86588), (2020, 64941), (3030, 43294), (6060, 21647)]