128821620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 378862848

約数和(自身を除く): 250041228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 277, 337, 345, 460, 554, 674, 690, 831, 1011, 1108, 1348, 1380, 1385, 1662, 1685, 2022, 2770, 3324, 3370, 4044, 4155, 5055, 5540, 6371, 6740, 7751, 8310, 10110, 12742, 15502, 16620, 19113, 20220, 23253, 25484, 31004, 31855, 38226, 38755, 46506, 63710, 76452, 77510, 93012, 93349, 95565, 116265, 127420, 155020, 186698, 191130, 232530, 280047, 373396, 382260, 465060, 466745, 560094, 933490, 1120188, 1400235, 1866980, 2147027, 2800470, 4294054, 5600940, 6441081, 8588108, 10735135, 12882162, 21470270, 25764324, 32205405, 42940540, 64410810, 128821620]

約数ペア:

[(1, 128821620), (2, 64410810), (3, 42940540), (4, 32205405), (5, 25764324), (6, 21470270), (10, 12882162), (12, 10735135), (15, 8588108), (20, 6441081), (23, 5600940), (30, 4294054), (46, 2800470), (60, 2147027), (69, 1866980), (92, 1400235), (115, 1120188), (138, 933490), (230, 560094), (276, 466745), (277, 465060), (337, 382260), (345, 373396), (460, 280047), (554, 232530), (674, 191130), (690, 186698), (831, 155020), (1011, 127420), (1108, 116265), (1348, 95565), (1380, 93349), (1385, 93012), (1662, 77510), (1685, 76452), (2022, 63710), (2770, 46506), (3324, 38755), (3370, 38226), (4044, 31855), (4155, 31004), (5055, 25484), (5540, 23253), (6371, 20220), (6740, 19113), (7751, 16620), (8310, 15502), (10110, 12742)]