15663865220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{23029}}^1$

素因数の和:23588

約数の個数: 48

約数和(自身を含む): 33428505600

約数和(自身を除く): 17764640380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 479, 710, 958, 1420, 1916, 2395, 4790, 9580, 23029, 34009, 46058, 68018, 92116, 115145, 136036, 170045, 230290, 340090, 460580, 680180, 1635059, 3270118, 6540236, 8175295, 11030891, 16350590, 22061782, 32701180, 44123564, 55154455, 110308910, 220617820, 783193261, 1566386522, 3132773044, 3915966305, 7831932610, 15663865220]

約数ペア:

[(1, 15663865220), (2, 7831932610), (4, 3915966305), (5, 3132773044), (10, 1566386522), (20, 783193261), (71, 220617820), (142, 110308910), (284, 55154455), (355, 44123564), (479, 32701180), (710, 22061782), (958, 16350590), (1420, 11030891), (1916, 8175295), (2395, 6540236), (4790, 3270118), (9580, 1635059), (23029, 680180), (34009, 460580), (46058, 340090), (68018, 230290), (92116, 170045), (115145, 136036)]