155564800

素因数分解:

$2^8\times 5^2\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 108

約数和(自身を含む): 390322240

約数和(自身を除く): 234757440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 128, 160, 200, 218, 223, 256, 320, 400, 436, 446, 545, 640, 800, 872, 892, 1090, 1115, 1280, 1600, 1744, 1784, 2180, 2230, 2725, 3200, 3488, 3568, 4360, 4460, 5450, 5575, 6400, 6976, 7136, 8720, 8920, 10900, 11150, 13952, 14272, 17440, 17840, 21800, 22300, 24307, 27904, 28544, 34880, 35680, 43600, 44600, 48614, 57088, 69760, 71360, 87200, 89200, 97228, 121535, 139520, 142720, 174400, 178400, 194456, 243070, 285440, 348800, 356800, 388912, 486140, 607675, 697600, 713600, 777824, 972280, 1215350, 1427200, 1555648, 1944560, 2430700, 3111296, 3889120, 4861400, 6222592, 7778240, 9722800, 15556480, 19445600, 31112960, 38891200, 77782400, 155564800]

約数ペア:

[(1, 155564800), (2, 77782400), (4, 38891200), (5, 31112960), (8, 19445600), (10, 15556480), (16, 9722800), (20, 7778240), (25, 6222592), (32, 4861400), (40, 3889120), (50, 3111296), (64, 2430700), (80, 1944560), (100, 1555648), (109, 1427200), (128, 1215350), (160, 972280), (200, 777824), (218, 713600), (223, 697600), (256, 607675), (320, 486140), (400, 388912), (436, 356800), (446, 348800), (545, 285440), (640, 243070), (800, 194456), (872, 178400), (892, 174400), (1090, 142720), (1115, 139520), (1280, 121535), (1600, 97228), (1744, 89200), (1784, 87200), (2180, 71360), (2230, 69760), (2725, 57088), (3200, 48614), (3488, 44600), (3568, 43600), (4360, 35680), (4460, 34880), (5450, 28544), (5575, 27904), (6400, 24307), (6976, 22300), (7136, 21800), (8720, 17840), (8920, 17440), (10900, 14272), (11150, 13952)]