15268420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 18439100

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 439, 470, 740, 878, 940, 1739, 1756, 2195, 3478, 4390, 6956, 8695, 8780, 16243, 17390, 20633, 32486, 34780, 41266, 64972, 81215, 82532, 103165, 162430, 206330, 324860, 412660, 763421, 1526842, 3053684, 3817105, 7634210, 15268420]

約数ペア:

[(1, 15268420), (2, 7634210), (4, 3817105), (5, 3053684), (10, 1526842), (20, 763421), (37, 412660), (47, 324860), (74, 206330), (94, 162430), (148, 103165), (185, 82532), (188, 81215), (235, 64972), (370, 41266), (439, 34780), (470, 32486), (740, 20633), (878, 17390), (940, 16243), (1739, 8780), (1756, 8695), (2195, 6956), (3478, 4390)]