7215520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3497

約数の個数: 48

約数和(自身を含む): 18363240

約数和(自身を除く): 11147720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 3469, 6938, 13876, 17345, 27752, 34690, 45097, 55504, 69380, 90194, 111008, 138760, 180388, 225485, 277520, 360776, 450970, 555040, 721552, 901940, 1443104, 1803880, 3607760, 7215520]

約数ペア:

[(1, 7215520), (2, 3607760), (4, 1803880), (5, 1443104), (8, 901940), (10, 721552), (13, 555040), (16, 450970), (20, 360776), (26, 277520), (32, 225485), (40, 180388), (52, 138760), (65, 111008), (80, 90194), (104, 69380), (130, 55504), (160, 45097), (208, 34690), (260, 27752), (416, 17345), (520, 13876), (1040, 6938), (2080, 3469)]