127969880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{613}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 306361440

約数和(自身を除く): 178391560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 307, 340, 613, 614, 680, 1226, 1228, 1535, 2452, 2456, 3065, 3070, 4904, 5219, 6130, 6140, 10421, 10438, 12260, 12280, 20842, 20876, 24520, 26095, 41684, 41752, 52105, 52190, 83368, 104210, 104380, 188191, 208420, 208760, 376382, 416840, 752764, 940955, 1505528, 1881910, 3199247, 3763820, 6398494, 7527640, 12796988, 15996235, 25593976, 31992470, 63984940, 127969880]

約数ペア:

[(1, 127969880), (2, 63984940), (4, 31992470), (5, 25593976), (8, 15996235), (10, 12796988), (17, 7527640), (20, 6398494), (34, 3763820), (40, 3199247), (68, 1881910), (85, 1505528), (136, 940955), (170, 752764), (307, 416840), (340, 376382), (613, 208760), (614, 208420), (680, 188191), (1226, 104380), (1228, 104210), (1535, 83368), (2452, 52190), (2456, 52105), (3065, 41752), (3070, 41684), (4904, 26095), (5219, 24520), (6130, 20876), (6140, 20842), (10421, 12280), (10438, 12260)]