1343320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 3421440

約数和(自身を除く): 2078120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 71, 86, 88, 110, 142, 172, 215, 220, 284, 344, 355, 430, 440, 473, 568, 710, 781, 860, 946, 1420, 1562, 1720, 1892, 2365, 2840, 3053, 3124, 3784, 3905, 4730, 6106, 6248, 7810, 9460, 12212, 15265, 15620, 18920, 24424, 30530, 31240, 33583, 61060, 67166, 122120, 134332, 167915, 268664, 335830, 671660, 1343320]

約数ペア:

[(1, 1343320), (2, 671660), (4, 335830), (5, 268664), (8, 167915), (10, 134332), (11, 122120), (20, 67166), (22, 61060), (40, 33583), (43, 31240), (44, 30530), (55, 24424), (71, 18920), (86, 15620), (88, 15265), (110, 12212), (142, 9460), (172, 7810), (215, 6248), (220, 6106), (284, 4730), (344, 3905), (355, 3784), (430, 3124), (440, 3053), (473, 2840), (568, 2365), (710, 1892), (781, 1720), (860, 1562), (946, 1420)]