77824640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 206219520

約数和(自身を除く): 128394880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 230, 272, 311, 320, 340, 368, 391, 460, 544, 622, 640, 680, 736, 782, 920, 1088, 1244, 1360, 1472, 1555, 1564, 1840, 1955, 2176, 2488, 2720, 2944, 3110, 3128, 3680, 3910, 4976, 5287, 5440, 6220, 6256, 7153, 7360, 7820, 9952, 10574, 10880, 12440, 12512, 14306, 14720, 15640, 19904, 21148, 24880, 25024, 26435, 28612, 31280, 35765, 39808, 42296, 49760, 50048, 52870, 57224, 62560, 71530, 84592, 99520, 105740, 114448, 121601, 125120, 143060, 169184, 199040, 211480, 228896, 243202, 250240, 286120, 338368, 422960, 457792, 486404, 572240, 608005, 676736, 845920, 915584, 972808, 1144480, 1216010, 1691840, 1945616, 2288960, 2432020, 3383680, 3891232, 4577920, 4864040, 7782464, 9728080, 15564928, 19456160, 38912320, 77824640]

約数ペア:

[(1, 77824640), (2, 38912320), (4, 19456160), (5, 15564928), (8, 9728080), (10, 7782464), (16, 4864040), (17, 4577920), (20, 3891232), (23, 3383680), (32, 2432020), (34, 2288960), (40, 1945616), (46, 1691840), (64, 1216010), (68, 1144480), (80, 972808), (85, 915584), (92, 845920), (115, 676736), (128, 608005), (136, 572240), (160, 486404), (170, 457792), (184, 422960), (230, 338368), (272, 286120), (311, 250240), (320, 243202), (340, 228896), (368, 211480), (391, 199040), (460, 169184), (544, 143060), (622, 125120), (640, 121601), (680, 114448), (736, 105740), (782, 99520), (920, 84592), (1088, 71530), (1244, 62560), (1360, 57224), (1472, 52870), (1555, 50048), (1564, 49760), (1840, 42296), (1955, 39808), (2176, 35765), (2488, 31280), (2720, 28612), (2944, 26435), (3110, 25024), (3128, 24880), (3680, 21148), (3910, 19904), (4976, 15640), (5287, 14720), (5440, 14306), (6220, 12512), (6256, 12440), (7153, 10880), (7360, 10574), (7820, 9952)]