221497740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{136727}}^1$

素因数の和:136748

約数の個数: 60

約数和(自身を含む): 694851696

約数和(自身を除く): 473353956

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, 136727, 273454, 410181, 546908, 683635, 820362, 1230543, 1367270, 1640724, 2050905, 2461086, 2734540, 3691629, 4101810, 4922172, 6152715, 7383258, 8203620, 11074887, 12305430, 14766516, 18458145, 22149774, 24610860, 36916290, 44299548, 55374435, 73832580, 110748870, 221497740]

約数ペア:

[(1, 221497740), (2, 110748870), (3, 73832580), (4, 55374435), (5, 44299548), (6, 36916290), (9, 24610860), (10, 22149774), (12, 18458145), (15, 14766516), (18, 12305430), (20, 11074887), (27, 8203620), (30, 7383258), (36, 6152715), (45, 4922172), (54, 4101810), (60, 3691629), (81, 2734540), (90, 2461086), (108, 2050905), (135, 1640724), (162, 1367270), (180, 1230543), (270, 820362), (324, 683635), (405, 546908), (540, 410181), (810, 273454), (1620, 136727)]