128405200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:426

約数の個数: 180

約数和(自身を含む): 388551520

約数和(自身を除く): 260146320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 121, 140, 154, 175, 176, 200, 220, 242, 275, 280, 308, 350, 379, 385, 400, 440, 484, 550, 560, 605, 616, 700, 758, 770, 847, 880, 968, 1100, 1210, 1232, 1400, 1516, 1540, 1694, 1895, 1925, 1936, 2200, 2420, 2653, 2800, 3025, 3032, 3080, 3388, 3790, 3850, 4169, 4235, 4400, 4840, 5306, 6050, 6064, 6160, 6776, 7580, 7700, 8338, 8470, 9475, 9680, 10612, 12100, 13265, 13552, 15160, 15400, 16676, 16940, 18950, 20845, 21175, 21224, 24200, 26530, 29183, 30320, 30800, 33352, 33880, 37900, 41690, 42350, 42448, 45859, 48400, 53060, 58366, 66325, 66704, 67760, 75800, 83380, 84700, 91718, 104225, 106120, 116732, 132650, 145915, 151600, 166760, 169400, 183436, 208450, 212240, 229295, 233464, 265300, 291830, 321013, 333520, 338800, 366872, 416900, 458590, 466928, 530600, 583660, 642026, 729575, 733744, 833800, 917180, 1061200, 1146475, 1167320, 1284052, 1459150, 1605065, 1667600, 1834360, 2292950, 2334640, 2568104, 2918300, 3210130, 3668720, 4585900, 5136208, 5836600, 6420260, 8025325, 9171800, 11673200, 12840520, 16050650, 18343600, 25681040, 32101300, 64202600, 128405200]

約数ペア:

[(1, 128405200), (2, 64202600), (4, 32101300), (5, 25681040), (7, 18343600), (8, 16050650), (10, 12840520), (11, 11673200), (14, 9171800), (16, 8025325), (20, 6420260), (22, 5836600), (25, 5136208), (28, 4585900), (35, 3668720), (40, 3210130), (44, 2918300), (50, 2568104), (55, 2334640), (56, 2292950), (70, 1834360), (77, 1667600), (80, 1605065), (88, 1459150), (100, 1284052), (110, 1167320), (112, 1146475), (121, 1061200), (140, 917180), (154, 833800), (175, 733744), (176, 729575), (200, 642026), (220, 583660), (242, 530600), (275, 466928), (280, 458590), (308, 416900), (350, 366872), (379, 338800), (385, 333520), (400, 321013), (440, 291830), (484, 265300), (550, 233464), (560, 229295), (605, 212240), (616, 208450), (700, 183436), (758, 169400), (770, 166760), (847, 151600), (880, 145915), (968, 132650), (1100, 116732), (1210, 106120), (1232, 104225), (1400, 91718), (1516, 84700), (1540, 83380), (1694, 75800), (1895, 67760), (1925, 66704), (1936, 66325), (2200, 58366), (2420, 53060), (2653, 48400), (2800, 45859), (3025, 42448), (3032, 42350), (3080, 41690), (3388, 37900), (3790, 33880), (3850, 33352), (4169, 30800), (4235, 30320), (4400, 29183), (4840, 26530), (5306, 24200), (6050, 21224), (6064, 21175), (6160, 20845), (6776, 18950), (7580, 16940), (7700, 16676), (8338, 15400), (8470, 15160), (9475, 13552), (9680, 13265), (10612, 12100)]