80976560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6287}}^1$

素因数の和:6330

約数の個数: 80

約数和(自身を含む): 224557056

約数和(自身を除く): 143580496

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, 6287, 6440, 12574, 12880, 25148, 31435, 44009, 50296, 62870, 88018, 100592, 125740, 144601, 176036, 220045, 251480, 289202, 352072, 440090, 502960, 578404, 704144, 723005, 880180, 1012207, 1156808, 1446010, 1760360, 2024414, 2313616, 2892020, 3520720, 4048828, 5061035, 5784040, 8097656, 10122070, 11568080, 16195312, 20244140, 40488280, 80976560]

約数ペア:

[(1, 80976560), (2, 40488280), (4, 20244140), (5, 16195312), (7, 11568080), (8, 10122070), (10, 8097656), (14, 5784040), (16, 5061035), (20, 4048828), (23, 3520720), (28, 2892020), (35, 2313616), (40, 2024414), (46, 1760360), (56, 1446010), (70, 1156808), (80, 1012207), (92, 880180), (112, 723005), (115, 704144), (140, 578404), (161, 502960), (184, 440090), (230, 352072), (280, 289202), (322, 251480), (368, 220045), (460, 176036), (560, 144601), (644, 125740), (805, 100592), (920, 88018), (1288, 62870), (1610, 50296), (1840, 44009), (2576, 31435), (3220, 25148), (6287, 12880), (6440, 12574)]