131267840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9323}}^1$

素因数の和:9355

約数の個数: 72

約数和(自身を含む): 343048608

約数和(自身を除く): 211780768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 9323, 14080, 18646, 37292, 46615, 74584, 93230, 102553, 149168, 186460, 205106, 298336, 372920, 410212, 512765, 596672, 745840, 820424, 1025530, 1193344, 1491680, 1640848, 2051060, 2386688, 2983360, 3281696, 4102120, 5966720, 6563392, 8204240, 11933440, 13126784, 16408480, 26253568, 32816960, 65633920, 131267840]

約数ペア:

[(1, 131267840), (2, 65633920), (4, 32816960), (5, 26253568), (8, 16408480), (10, 13126784), (11, 11933440), (16, 8204240), (20, 6563392), (22, 5966720), (32, 4102120), (40, 3281696), (44, 2983360), (55, 2386688), (64, 2051060), (80, 1640848), (88, 1491680), (110, 1193344), (128, 1025530), (160, 820424), (176, 745840), (220, 596672), (256, 512765), (320, 410212), (352, 372920), (440, 298336), (640, 205106), (704, 186460), (880, 149168), (1280, 102553), (1408, 93230), (1760, 74584), (2816, 46615), (3520, 37292), (7040, 18646), (9323, 14080)]