15354440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 36115200

約数和(自身を除く): 20760760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 113, 158, 172, 215, 226, 316, 344, 395, 430, 452, 565, 632, 790, 860, 904, 1130, 1580, 1720, 2260, 3160, 3397, 4520, 4859, 6794, 8927, 9718, 13588, 16985, 17854, 19436, 24295, 27176, 33970, 35708, 38872, 44635, 48590, 67940, 71416, 89270, 97180, 135880, 178540, 194360, 357080, 383861, 767722, 1535444, 1919305, 3070888, 3838610, 7677220, 15354440]

約数ペア:

[(1, 15354440), (2, 7677220), (4, 3838610), (5, 3070888), (8, 1919305), (10, 1535444), (20, 767722), (40, 383861), (43, 357080), (79, 194360), (86, 178540), (113, 135880), (158, 97180), (172, 89270), (215, 71416), (226, 67940), (316, 48590), (344, 44635), (395, 38872), (430, 35708), (452, 33970), (565, 27176), (632, 24295), (790, 19436), (860, 17854), (904, 16985), (1130, 13588), (1580, 9718), (1720, 8927), (2260, 6794), (3160, 4859), (3397, 4520)]