12981660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 38090640

約数和(自身を除く): 25108980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 409, 460, 529, 690, 818, 1058, 1227, 1380, 1587, 1636, 2045, 2116, 2454, 2645, 3174, 4090, 4908, 5290, 6135, 6348, 7935, 8180, 9407, 10580, 12270, 15870, 18814, 24540, 28221, 31740, 37628, 47035, 56442, 94070, 112884, 141105, 188140, 216361, 282210, 432722, 564420, 649083, 865444, 1081805, 1298166, 2163610, 2596332, 3245415, 4327220, 6490830, 12981660]

約数ペア:

[(1, 12981660), (2, 6490830), (3, 4327220), (4, 3245415), (5, 2596332), (6, 2163610), (10, 1298166), (12, 1081805), (15, 865444), (20, 649083), (23, 564420), (30, 432722), (46, 282210), (60, 216361), (69, 188140), (92, 141105), (115, 112884), (138, 94070), (230, 56442), (276, 47035), (345, 37628), (409, 31740), (460, 28221), (529, 24540), (690, 18814), (818, 15870), (1058, 12270), (1227, 10580), (1380, 9407), (1587, 8180), (1636, 7935), (2045, 6348), (2116, 6135), (2454, 5290), (2645, 4908), (3174, 4090)]