208972620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10651}}^1$

素因数の和:10775

約数の個数: 72

約数和(自身を含む): 639759120

約数和(自身を除く): 430786500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 10651, 19620, 21302, 31953, 42604, 53255, 63906, 95859, 106510, 127812, 159765, 191718, 213020, 319530, 383436, 479295, 639060, 958590, 1160959, 1917180, 2321918, 3482877, 4643836, 5804795, 6965754, 10448631, 11609590, 13931508, 17414385, 20897262, 23219180, 34828770, 41794524, 52243155, 69657540, 104486310, 208972620]

約数ペア:

[(1, 208972620), (2, 104486310), (3, 69657540), (4, 52243155), (5, 41794524), (6, 34828770), (9, 23219180), (10, 20897262), (12, 17414385), (15, 13931508), (18, 11609590), (20, 10448631), (30, 6965754), (36, 5804795), (45, 4643836), (60, 3482877), (90, 2321918), (109, 1917180), (180, 1160959), (218, 958590), (327, 639060), (436, 479295), (545, 383436), (654, 319530), (981, 213020), (1090, 191718), (1308, 159765), (1635, 127812), (1962, 106510), (2180, 95859), (3270, 63906), (3924, 53255), (4905, 42604), (6540, 31953), (9810, 21302), (10651, 19620)]