1256552320

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27653}}^1$

素因数の和:27743

約数の個数: 64

約数和(自身を含む): 3046364640

約数和(自身を除く): 1789812320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 22720, 27653, 45440, 55306, 110612, 138265, 221224, 276530, 442448, 553060, 884896, 1106120, 1769792, 1963363, 2212240, 3539584, 3926726, 4424480, 7853452, 8848960, 9816815, 15706904, 17697920, 19633630, 31413808, 39267260, 62827616, 78534520, 125655232, 157069040, 251310464, 314138080, 628276160, 1256552320]

約数ペア:

[(1, 1256552320), (2, 628276160), (4, 314138080), (5, 251310464), (8, 157069040), (10, 125655232), (16, 78534520), (20, 62827616), (32, 39267260), (40, 31413808), (64, 19633630), (71, 17697920), (80, 15706904), (128, 9816815), (142, 8848960), (160, 7853452), (284, 4424480), (320, 3926726), (355, 3539584), (568, 2212240), (640, 1963363), (710, 1769792), (1136, 1106120), (1420, 884896), (2272, 553060), (2840, 442448), (4544, 276530), (5680, 221224), (9088, 138265), (11360, 110612), (22720, 55306), (27653, 45440)]