639407880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1776133}}^1$

素因数の和:1776150

約数の個数: 48

約数和(自身を含む): 2078076780

約数和(自身を除く): 1438668900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1776133, 3552266, 5328399, 7104532, 8880665, 10656798, 14209064, 15985197, 17761330, 21313596, 26641995, 31970394, 35522660, 42627192, 53283990, 63940788, 71045320, 79925985, 106567980, 127881576, 159851970, 213135960, 319703940, 639407880]

約数ペア:

[(1, 639407880), (2, 319703940), (3, 213135960), (4, 159851970), (5, 127881576), (6, 106567980), (8, 79925985), (9, 71045320), (10, 63940788), (12, 53283990), (15, 42627192), (18, 35522660), (20, 31970394), (24, 26641995), (30, 21313596), (36, 17761330), (40, 15985197), (45, 14209064), (60, 10656798), (72, 8880665), (90, 7104532), (120, 5328399), (180, 3552266), (360, 1776133)]