77611520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 160

約数和(自身を含む): 219200256

約数和(自身を除く): 141588736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 71, 80, 112, 122, 128, 140, 142, 160, 224, 244, 256, 280, 284, 305, 320, 355, 427, 448, 488, 497, 512, 560, 568, 610, 640, 710, 854, 896, 976, 994, 1120, 1136, 1220, 1280, 1420, 1708, 1792, 1952, 1988, 2135, 2240, 2272, 2440, 2485, 2560, 2840, 3416, 3584, 3904, 3976, 4270, 4331, 4480, 4544, 4880, 4970, 5680, 6832, 7808, 7952, 8540, 8662, 8960, 9088, 9760, 9940, 11360, 13664, 15616, 15904, 17080, 17324, 17920, 18176, 19520, 19880, 21655, 22720, 27328, 30317, 31232, 31808, 34160, 34648, 36352, 39040, 39760, 43310, 45440, 54656, 60634, 63616, 68320, 69296, 78080, 79520, 86620, 90880, 109312, 121268, 127232, 136640, 138592, 151585, 156160, 159040, 173240, 181760, 218624, 242536, 254464, 273280, 277184, 303170, 318080, 346480, 485072, 546560, 554368, 606340, 636160, 692960, 970144, 1093120, 1108736, 1212680, 1272320, 1385920, 1940288, 2217472, 2425360, 2771840, 3880576, 4850720, 5543680, 7761152, 9701440, 11087360, 15522304, 19402880, 38805760, 77611520]

約数ペア:

[(1, 77611520), (2, 38805760), (4, 19402880), (5, 15522304), (7, 11087360), (8, 9701440), (10, 7761152), (14, 5543680), (16, 4850720), (20, 3880576), (28, 2771840), (32, 2425360), (35, 2217472), (40, 1940288), (56, 1385920), (61, 1272320), (64, 1212680), (70, 1108736), (71, 1093120), (80, 970144), (112, 692960), (122, 636160), (128, 606340), (140, 554368), (142, 546560), (160, 485072), (224, 346480), (244, 318080), (256, 303170), (280, 277184), (284, 273280), (305, 254464), (320, 242536), (355, 218624), (427, 181760), (448, 173240), (488, 159040), (497, 156160), (512, 151585), (560, 138592), (568, 136640), (610, 127232), (640, 121268), (710, 109312), (854, 90880), (896, 86620), (976, 79520), (994, 78080), (1120, 69296), (1136, 68320), (1220, 63616), (1280, 60634), (1420, 54656), (1708, 45440), (1792, 43310), (1952, 39760), (1988, 39040), (2135, 36352), (2240, 34648), (2272, 34160), (2440, 31808), (2485, 31232), (2560, 30317), (2840, 27328), (3416, 22720), (3584, 21655), (3904, 19880), (3976, 19520), (4270, 18176), (4331, 17920), (4480, 17324), (4544, 17080), (4880, 15904), (4970, 15616), (5680, 13664), (6832, 11360), (7808, 9940), (7952, 9760), (8540, 9088), (8662, 8960)]