71451520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 128

約数和(自身を含む): 200491200

約数和(自身を除く): 129039680

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, 389, 410, 448, 560, 574, 640, 656, 778, 820, 896, 1120, 1148, 1312, 1435, 1556, 1640, 1945, 2240, 2296, 2624, 2723, 2870, 3112, 3280, 3890, 4480, 4592, 5248, 5446, 5740, 6224, 6560, 7780, 9184, 10892, 11480, 12448, 13120, 13615, 15560, 15949, 18368, 21784, 22960, 24896, 26240, 27230, 31120, 31898, 36736, 43568, 45920, 49792, 54460, 62240, 63796, 79745, 87136, 91840, 108920, 111643, 124480, 127592, 159490, 174272, 183680, 217840, 223286, 248960, 255184, 318980, 348544, 435680, 446572, 510368, 558215, 637960, 871360, 893144, 1020736, 1116430, 1275920, 1742720, 1786288, 2041472, 2232860, 2551840, 3572576, 4465720, 5103680, 7145152, 8931440, 10207360, 14290304, 17862880, 35725760, 71451520]

約数ペア:

[(1, 71451520), (2, 35725760), (4, 17862880), (5, 14290304), (7, 10207360), (8, 8931440), (10, 7145152), (14, 5103680), (16, 4465720), (20, 3572576), (28, 2551840), (32, 2232860), (35, 2041472), (40, 1786288), (41, 1742720), (56, 1275920), (64, 1116430), (70, 1020736), (80, 893144), (82, 871360), (112, 637960), (128, 558215), (140, 510368), (160, 446572), (164, 435680), (205, 348544), (224, 318980), (280, 255184), (287, 248960), (320, 223286), (328, 217840), (389, 183680), (410, 174272), (448, 159490), (560, 127592), (574, 124480), (640, 111643), (656, 108920), (778, 91840), (820, 87136), (896, 79745), (1120, 63796), (1148, 62240), (1312, 54460), (1435, 49792), (1556, 45920), (1640, 43568), (1945, 36736), (2240, 31898), (2296, 31120), (2624, 27230), (2723, 26240), (2870, 24896), (3112, 22960), (3280, 21784), (3890, 18368), (4480, 15949), (4592, 15560), (5248, 13615), (5446, 13120), (5740, 12448), (6224, 11480), (6560, 10892), (7780, 9184)]