123031480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 329676480

約数和(自身を除く): 206645000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 137, 143, 157, 220, 260, 274, 286, 314, 440, 520, 548, 572, 628, 685, 715, 785, 1096, 1144, 1256, 1370, 1430, 1507, 1570, 1727, 1781, 2041, 2740, 2860, 3014, 3140, 3454, 3562, 4082, 5480, 5720, 6028, 6280, 6908, 7124, 7535, 8164, 8635, 8905, 10205, 12056, 13816, 14248, 15070, 16328, 17270, 17810, 19591, 20410, 21509, 22451, 30140, 34540, 35620, 39182, 40820, 43018, 44902, 60280, 69080, 71240, 78364, 81640, 86036, 89804, 97955, 107545, 112255, 156728, 172072, 179608, 195910, 215090, 224510, 236599, 279617, 391820, 430180, 449020, 473198, 559234, 783640, 860360, 898040, 946396, 1118468, 1182995, 1398085, 1892792, 2236936, 2365990, 2796170, 3075787, 4731980, 5592340, 6151574, 9463960, 11184680, 12303148, 15378935, 24606296, 30757870, 61515740, 123031480]

約数ペア:

[(1, 123031480), (2, 61515740), (4, 30757870), (5, 24606296), (8, 15378935), (10, 12303148), (11, 11184680), (13, 9463960), (20, 6151574), (22, 5592340), (26, 4731980), (40, 3075787), (44, 2796170), (52, 2365990), (55, 2236936), (65, 1892792), (88, 1398085), (104, 1182995), (110, 1118468), (130, 946396), (137, 898040), (143, 860360), (157, 783640), (220, 559234), (260, 473198), (274, 449020), (286, 430180), (314, 391820), (440, 279617), (520, 236599), (548, 224510), (572, 215090), (628, 195910), (685, 179608), (715, 172072), (785, 156728), (1096, 112255), (1144, 107545), (1256, 97955), (1370, 89804), (1430, 86036), (1507, 81640), (1570, 78364), (1727, 71240), (1781, 69080), (2041, 60280), (2740, 44902), (2860, 43018), (3014, 40820), (3140, 39182), (3454, 35620), (3562, 34540), (4082, 30140), (5480, 22451), (5720, 21509), (6028, 20410), (6280, 19591), (6908, 17810), (7124, 17270), (7535, 16328), (8164, 15070), (8635, 14248), (8905, 13816), (10205, 12056)]