28810880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 80784000

約数和(自身を除く): 51973120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 109, 112, 118, 128, 140, 160, 218, 224, 236, 280, 295, 320, 413, 436, 448, 472, 545, 560, 590, 640, 763, 826, 872, 896, 944, 1090, 1120, 1180, 1526, 1652, 1744, 1888, 2065, 2180, 2240, 2360, 3052, 3304, 3488, 3776, 3815, 4130, 4360, 4480, 4720, 6104, 6431, 6608, 6976, 7552, 7630, 8260, 8720, 9440, 12208, 12862, 13216, 13952, 15260, 16520, 17440, 18880, 24416, 25724, 26432, 30520, 32155, 33040, 34880, 37760, 45017, 48832, 51448, 52864, 61040, 64310, 66080, 69760, 90034, 97664, 102896, 122080, 128620, 132160, 180068, 205792, 225085, 244160, 257240, 264320, 360136, 411584, 450170, 488320, 514480, 720272, 823168, 900340, 1028960, 1440544, 1800680, 2057920, 2881088, 3601360, 4115840, 5762176, 7202720, 14405440, 28810880]

約数ペア:

[(1, 28810880), (2, 14405440), (4, 7202720), (5, 5762176), (7, 4115840), (8, 3601360), (10, 2881088), (14, 2057920), (16, 1800680), (20, 1440544), (28, 1028960), (32, 900340), (35, 823168), (40, 720272), (56, 514480), (59, 488320), (64, 450170), (70, 411584), (80, 360136), (109, 264320), (112, 257240), (118, 244160), (128, 225085), (140, 205792), (160, 180068), (218, 132160), (224, 128620), (236, 122080), (280, 102896), (295, 97664), (320, 90034), (413, 69760), (436, 66080), (448, 64310), (472, 61040), (545, 52864), (560, 51448), (590, 48832), (640, 45017), (763, 37760), (826, 34880), (872, 33040), (896, 32155), (944, 30520), (1090, 26432), (1120, 25724), (1180, 24416), (1526, 18880), (1652, 17440), (1744, 16520), (1888, 15260), (2065, 13952), (2180, 13216), (2240, 12862), (2360, 12208), (3052, 9440), (3304, 8720), (3488, 8260), (3776, 7630), (3815, 7552), (4130, 6976), (4360, 6608), (4480, 6431), (4720, 6104)]