71601280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6581}}^1$

素因数の和:6617

約数の個数: 64

約数和(自身を含む): 181268280

約数和(自身を除く): 109667000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 6581, 10880, 13162, 26324, 32905, 52648, 65810, 105296, 111877, 131620, 210592, 223754, 263240, 421184, 447508, 526480, 559385, 842368, 895016, 1052960, 1118770, 1790032, 2105920, 2237540, 3580064, 4211840, 4475080, 7160128, 8950160, 14320256, 17900320, 35800640, 71601280]

約数ペア:

[(1, 71601280), (2, 35800640), (4, 17900320), (5, 14320256), (8, 8950160), (10, 7160128), (16, 4475080), (17, 4211840), (20, 3580064), (32, 2237540), (34, 2105920), (40, 1790032), (64, 1118770), (68, 1052960), (80, 895016), (85, 842368), (128, 559385), (136, 526480), (160, 447508), (170, 421184), (272, 263240), (320, 223754), (340, 210592), (544, 131620), (640, 111877), (680, 105296), (1088, 65810), (1360, 52648), (2176, 32905), (2720, 26324), (5440, 13162), (6581, 10880)]