399036780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{246319}}^1$

素因数の和:246340

約数の個数: 60

約数和(自身を含む): 1251798240

約数和(自身を除く): 852761460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 246319, 492638, 738957, 985276, 1231595, 1477914, 2216871, 2463190, 2955828, 3694785, 4433742, 4926380, 6650613, 7389570, 8867484, 11084355, 13301226, 14779140, 19951839, 22168710, 26602452, 33253065, 39903678, 44337420, 66506130, 79807356, 99759195, 133012260, 199518390, 399036780]

約数ペア:

[(1, 399036780), (2, 199518390), (3, 133012260), (4, 99759195), (5, 79807356), (6, 66506130), (9, 44337420), (10, 39903678), (12, 33253065), (15, 26602452), (18, 22168710), (20, 19951839), (27, 14779140), (30, 13301226), (36, 11084355), (45, 8867484), (54, 7389570), (60, 6650613), (81, 4926380), (90, 4433742), (108, 3694785), (135, 2955828), (162, 2463190), (180, 2216871), (270, 1477914), (324, 1231595), (405, 985276), (540, 738957), (810, 492638), (1620, 246319)]