15407540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 34013952

約数和(自身を除く): 18606412

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 443, 470, 740, 886, 940, 1739, 1772, 2215, 3478, 4430, 6956, 8695, 8860, 16391, 17390, 20821, 32782, 34780, 41642, 65564, 81955, 83284, 104105, 163910, 208210, 327820, 416420, 770377, 1540754, 3081508, 3851885, 7703770, 15407540]

約数ペア:

[(1, 15407540), (2, 7703770), (4, 3851885), (5, 3081508), (10, 1540754), (20, 770377), (37, 416420), (47, 327820), (74, 208210), (94, 163910), (148, 104105), (185, 83284), (188, 81955), (235, 65564), (370, 41642), (443, 34780), (470, 32782), (740, 20821), (886, 17390), (940, 16391), (1739, 8860), (1772, 8695), (2215, 6956), (3478, 4430)]