66797880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 201031200

約数和(自身を除く): 134233320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 818, 1227, 1361, 1636, 2045, 2454, 2722, 3272, 4083, 4090, 4908, 5444, 6135, 6805, 8166, 8180, 9816, 10888, 12270, 13610, 16332, 16360, 20415, 24540, 27220, 32664, 40830, 49080, 54440, 81660, 163320, 556649, 1113298, 1669947, 2226596, 2783245, 3339894, 4453192, 5566490, 6679788, 8349735, 11132980, 13359576, 16699470, 22265960, 33398940, 66797880]

約数ペア:

[(1, 66797880), (2, 33398940), (3, 22265960), (4, 16699470), (5, 13359576), (6, 11132980), (8, 8349735), (10, 6679788), (12, 5566490), (15, 4453192), (20, 3339894), (24, 2783245), (30, 2226596), (40, 1669947), (60, 1113298), (120, 556649), (409, 163320), (818, 81660), (1227, 54440), (1361, 49080), (1636, 40830), (2045, 32664), (2454, 27220), (2722, 24540), (3272, 20415), (4083, 16360), (4090, 16332), (4908, 13610), (5444, 12270), (6135, 10888), (6805, 9816), (8166, 8180)]