15218620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 34826400

約数和(自身を除く): 19607780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1381, 2204, 2755, 2762, 5510, 5524, 6905, 11020, 13810, 26239, 27620, 40049, 52478, 80098, 104956, 131195, 160196, 200245, 262390, 400490, 524780, 760931, 800980, 1521862, 3043724, 3804655, 7609310, 15218620]

約数ペア:

[(1, 15218620), (2, 7609310), (4, 3804655), (5, 3043724), (10, 1521862), (19, 800980), (20, 760931), (29, 524780), (38, 400490), (58, 262390), (76, 200245), (95, 160196), (116, 131195), (145, 104956), (190, 80098), (290, 52478), (380, 40049), (551, 27620), (580, 26239), (1102, 13810), (1381, 11020), (2204, 6905), (2755, 5524), (2762, 5510)]