64839040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 181984320

約数和(自身を除く): 117145280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 280, 287, 320, 328, 353, 410, 448, 560, 574, 640, 656, 706, 820, 896, 1120, 1148, 1312, 1412, 1435, 1640, 1765, 2240, 2296, 2471, 2624, 2824, 2870, 3280, 3530, 4480, 4592, 4942, 5248, 5648, 5740, 6560, 7060, 9184, 9884, 11296, 11480, 12355, 13120, 14120, 14473, 18368, 19768, 22592, 22960, 24710, 26240, 28240, 28946, 36736, 39536, 45184, 45920, 49420, 56480, 57892, 72365, 79072, 91840, 98840, 101311, 112960, 115784, 144730, 158144, 183680, 197680, 202622, 225920, 231568, 289460, 316288, 395360, 405244, 463136, 506555, 578920, 790720, 810488, 926272, 1013110, 1157840, 1581440, 1620976, 1852544, 2026220, 2315680, 3241952, 4052440, 4631360, 6483904, 8104880, 9262720, 12967808, 16209760, 32419520, 64839040]

約数ペア:

[(1, 64839040), (2, 32419520), (4, 16209760), (5, 12967808), (7, 9262720), (8, 8104880), (10, 6483904), (14, 4631360), (16, 4052440), (20, 3241952), (28, 2315680), (32, 2026220), (35, 1852544), (40, 1620976), (41, 1581440), (56, 1157840), (64, 1013110), (70, 926272), (80, 810488), (82, 790720), (112, 578920), (128, 506555), (140, 463136), (160, 405244), (164, 395360), (205, 316288), (224, 289460), (280, 231568), (287, 225920), (320, 202622), (328, 197680), (353, 183680), (410, 158144), (448, 144730), (560, 115784), (574, 112960), (640, 101311), (656, 98840), (706, 91840), (820, 79072), (896, 72365), (1120, 57892), (1148, 56480), (1312, 49420), (1412, 45920), (1435, 45184), (1640, 39536), (1765, 36736), (2240, 28946), (2296, 28240), (2471, 26240), (2624, 24710), (2824, 22960), (2870, 22592), (3280, 19768), (3530, 18368), (4480, 14473), (4592, 14120), (4942, 13120), (5248, 12355), (5648, 11480), (5740, 11296), (6560, 9884), (7060, 9184)]