80635520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 128

約数和(自身を含む): 226195200

約数和(自身を除く): 145559680

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, 410, 439, 448, 560, 574, 640, 656, 820, 878, 896, 1120, 1148, 1312, 1435, 1640, 1756, 2195, 2240, 2296, 2624, 2870, 3073, 3280, 3512, 4390, 4480, 4592, 5248, 5740, 6146, 6560, 7024, 8780, 9184, 11480, 12292, 13120, 14048, 15365, 17560, 17999, 18368, 22960, 24584, 26240, 28096, 30730, 35120, 35998, 36736, 45920, 49168, 56192, 61460, 70240, 71996, 89995, 91840, 98336, 122920, 125993, 140480, 143992, 179990, 183680, 196672, 245840, 251986, 280960, 287984, 359980, 393344, 491680, 503972, 575968, 629965, 719960, 983360, 1007944, 1151936, 1259930, 1439920, 1966720, 2015888, 2303872, 2519860, 2879840, 4031776, 5039720, 5759680, 8063552, 10079440, 11519360, 16127104, 20158880, 40317760, 80635520]

約数ペア:

[(1, 80635520), (2, 40317760), (4, 20158880), (5, 16127104), (7, 11519360), (8, 10079440), (10, 8063552), (14, 5759680), (16, 5039720), (20, 4031776), (28, 2879840), (32, 2519860), (35, 2303872), (40, 2015888), (41, 1966720), (56, 1439920), (64, 1259930), (70, 1151936), (80, 1007944), (82, 983360), (112, 719960), (128, 629965), (140, 575968), (160, 503972), (164, 491680), (205, 393344), (224, 359980), (280, 287984), (287, 280960), (320, 251986), (328, 245840), (410, 196672), (439, 183680), (448, 179990), (560, 143992), (574, 140480), (640, 125993), (656, 122920), (820, 98336), (878, 91840), (896, 89995), (1120, 71996), (1148, 70240), (1312, 61460), (1435, 56192), (1640, 49168), (1756, 45920), (2195, 36736), (2240, 35998), (2296, 35120), (2624, 30730), (2870, 28096), (3073, 26240), (3280, 24584), (3512, 22960), (4390, 18368), (4480, 17999), (4592, 17560), (5248, 15365), (5740, 14048), (6146, 13120), (6560, 12292), (7024, 11480), (8780, 9184)]