15681660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8431}}^1$

素因数の和:8474

約数の個数: 48

約数和(自身を含む): 45330432

約数和(自身を除く): 29648772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 8431, 16862, 25293, 33724, 42155, 50586, 84310, 101172, 126465, 168620, 252930, 261361, 505860, 522722, 784083, 1045444, 1306805, 1568166, 2613610, 3136332, 3920415, 5227220, 7840830, 15681660]

約数ペア:

[(1, 15681660), (2, 7840830), (3, 5227220), (4, 3920415), (5, 3136332), (6, 2613610), (10, 1568166), (12, 1306805), (15, 1045444), (20, 784083), (30, 522722), (31, 505860), (60, 261361), (62, 252930), (93, 168620), (124, 126465), (155, 101172), (186, 84310), (310, 50586), (372, 42155), (465, 33724), (620, 25293), (930, 16862), (1860, 8431)]