211327920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 160

約数和(自身を含む): 732810240

約数和(自身を除く): 521482320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 227, 240, 270, 360, 431, 432, 454, 540, 681, 720, 862, 908, 1080, 1135, 1293, 1362, 1724, 1816, 2043, 2155, 2160, 2270, 2586, 2724, 3405, 3448, 3632, 3879, 4086, 4310, 4540, 5172, 5448, 6129, 6465, 6810, 6896, 7758, 8172, 8620, 9080, 10215, 10344, 10896, 11637, 12258, 12930, 13620, 15516, 16344, 17240, 18160, 19395, 20430, 20688, 23274, 24516, 25860, 27240, 30645, 31032, 32688, 34480, 38790, 40860, 46548, 49032, 51720, 54480, 58185, 61290, 62064, 77580, 81720, 93096, 97837, 98064, 103440, 116370, 122580, 155160, 163440, 186192, 195674, 232740, 245160, 293511, 310320, 391348, 465480, 489185, 490320, 587022, 782696, 880533, 930960, 978370, 1174044, 1467555, 1565392, 1761066, 1956740, 2348088, 2641599, 2935110, 3522132, 3913480, 4402665, 4696176, 5283198, 5870220, 7044264, 7826960, 8805330, 10566396, 11740440, 13207995, 14088528, 17610660, 21132792, 23480880, 26415990, 35221320, 42265584, 52831980, 70442640, 105663960, 211327920]

約数ペア:

[(1, 211327920), (2, 105663960), (3, 70442640), (4, 52831980), (5, 42265584), (6, 35221320), (8, 26415990), (9, 23480880), (10, 21132792), (12, 17610660), (15, 14088528), (16, 13207995), (18, 11740440), (20, 10566396), (24, 8805330), (27, 7826960), (30, 7044264), (36, 5870220), (40, 5283198), (45, 4696176), (48, 4402665), (54, 3913480), (60, 3522132), (72, 2935110), (80, 2641599), (90, 2348088), (108, 1956740), (120, 1761066), (135, 1565392), (144, 1467555), (180, 1174044), (216, 978370), (227, 930960), (240, 880533), (270, 782696), (360, 587022), (431, 490320), (432, 489185), (454, 465480), (540, 391348), (681, 310320), (720, 293511), (862, 245160), (908, 232740), (1080, 195674), (1135, 186192), (1293, 163440), (1362, 155160), (1724, 122580), (1816, 116370), (2043, 103440), (2155, 98064), (2160, 97837), (2270, 93096), (2586, 81720), (2724, 77580), (3405, 62064), (3448, 61290), (3632, 58185), (3879, 54480), (4086, 51720), (4310, 49032), (4540, 46548), (5172, 40860), (5448, 38790), (6129, 34480), (6465, 32688), (6810, 31032), (6896, 30645), (7758, 27240), (8172, 25860), (8620, 24516), (9080, 23274), (10215, 20688), (10344, 20430), (10896, 19395), (11637, 18160), (12258, 17240), (12930, 16344), (13620, 15516)]