122171120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 291999168

約数和(自身を除く): 169828048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 137, 142, 157, 274, 284, 314, 355, 548, 568, 628, 685, 710, 785, 1096, 1136, 1256, 1370, 1420, 1570, 2192, 2512, 2740, 2840, 3140, 5480, 5680, 6280, 9727, 10960, 11147, 12560, 19454, 21509, 22294, 38908, 43018, 44588, 48635, 55735, 77816, 86036, 89176, 97270, 107545, 111470, 155632, 172072, 178352, 194540, 215090, 222940, 344144, 389080, 430180, 445880, 778160, 860360, 891760, 1527139, 1720720, 3054278, 6108556, 7635695, 12217112, 15271390, 24434224, 30542780, 61085560, 122171120]

約数ペア:

[(1, 122171120), (2, 61085560), (4, 30542780), (5, 24434224), (8, 15271390), (10, 12217112), (16, 7635695), (20, 6108556), (40, 3054278), (71, 1720720), (80, 1527139), (137, 891760), (142, 860360), (157, 778160), (274, 445880), (284, 430180), (314, 389080), (355, 344144), (548, 222940), (568, 215090), (628, 194540), (685, 178352), (710, 172072), (785, 155632), (1096, 111470), (1136, 107545), (1256, 97270), (1370, 89176), (1420, 86036), (1570, 77816), (2192, 55735), (2512, 48635), (2740, 44588), (2840, 43018), (3140, 38908), (5480, 22294), (5680, 21509), (6280, 19454), (9727, 12560), (10960, 11147)]