122960240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 310480128

約数和(自身を除く): 187519888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 685, 863, 1040, 1096, 1370, 1726, 1781, 2192, 2740, 3452, 3562, 4315, 5480, 6904, 7124, 8630, 8905, 10960, 11219, 13808, 14248, 17260, 17810, 22438, 28496, 34520, 35620, 44876, 56095, 69040, 71240, 89752, 112190, 118231, 142480, 179504, 224380, 236462, 448760, 472924, 591155, 897520, 945848, 1182310, 1537003, 1891696, 2364620, 3074006, 4729240, 6148012, 7685015, 9458480, 12296024, 15370030, 24592048, 30740060, 61480120, 122960240]

約数ペア:

[(1, 122960240), (2, 61480120), (4, 30740060), (5, 24592048), (8, 15370030), (10, 12296024), (13, 9458480), (16, 7685015), (20, 6148012), (26, 4729240), (40, 3074006), (52, 2364620), (65, 1891696), (80, 1537003), (104, 1182310), (130, 945848), (137, 897520), (208, 591155), (260, 472924), (274, 448760), (520, 236462), (548, 224380), (685, 179504), (863, 142480), (1040, 118231), (1096, 112190), (1370, 89752), (1726, 71240), (1781, 69040), (2192, 56095), (2740, 44876), (3452, 35620), (3562, 34520), (4315, 28496), (5480, 22438), (6904, 17810), (7124, 17260), (8630, 14248), (8905, 13808), (10960, 11219)]