80126480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6221}}^1$

素因数の和:6264

約数の個数: 80

約数和(自身を含む): 222200064

約数和(自身を除く): 142073584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6221, 6440, 12442, 12880, 24884, 31105, 43547, 49768, 62210, 87094, 99536, 124420, 143083, 174188, 217735, 248840, 286166, 348376, 435470, 497680, 572332, 696752, 715415, 870940, 1001581, 1144664, 1430830, 1741880, 2003162, 2289328, 2861660, 3483760, 4006324, 5007905, 5723320, 8012648, 10015810, 11446640, 16025296, 20031620, 40063240, 80126480]

約数ペア:

[(1, 80126480), (2, 40063240), (4, 20031620), (5, 16025296), (7, 11446640), (8, 10015810), (10, 8012648), (14, 5723320), (16, 5007905), (20, 4006324), (23, 3483760), (28, 2861660), (35, 2289328), (40, 2003162), (46, 1741880), (56, 1430830), (70, 1144664), (80, 1001581), (92, 870940), (112, 715415), (115, 696752), (140, 572332), (161, 497680), (184, 435470), (230, 348376), (280, 286166), (322, 248840), (368, 217735), (460, 174188), (560, 143083), (644, 124420), (805, 99536), (920, 87094), (1288, 62210), (1610, 49768), (1840, 43547), (2576, 31105), (3220, 24884), (6221, 12880), (6440, 12442)]