401971440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128837}}^1$

素因数の和:128866

約数の個数: 80

約数和(自身を含む): 1341976608

約数和(自身を除く): 940005168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 128837, 257674, 386511, 515348, 644185, 773022, 1030696, 1288370, 1546044, 1674881, 1932555, 2061392, 2576740, 3092088, 3349762, 3865110, 5024643, 5153480, 6184176, 6699524, 7730220, 8374405, 10049286, 10306960, 13399048, 15460440, 16748810, 20098572, 25123215, 26798096, 30920880, 33497620, 40197144, 50246430, 66995240, 80394288, 100492860, 133990480, 200985720, 401971440]

約数ペア:

[(1, 401971440), (2, 200985720), (3, 133990480), (4, 100492860), (5, 80394288), (6, 66995240), (8, 50246430), (10, 40197144), (12, 33497620), (13, 30920880), (15, 26798096), (16, 25123215), (20, 20098572), (24, 16748810), (26, 15460440), (30, 13399048), (39, 10306960), (40, 10049286), (48, 8374405), (52, 7730220), (60, 6699524), (65, 6184176), (78, 5153480), (80, 5024643), (104, 3865110), (120, 3349762), (130, 3092088), (156, 2576740), (195, 2061392), (208, 1932555), (240, 1674881), (260, 1546044), (312, 1288370), (390, 1030696), (520, 773022), (624, 644185), (780, 515348), (1040, 386511), (1560, 257674), (3120, 128837)]