71276800

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 211889216

約数和(自身を除く): 140612416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 43, 50, 56, 64, 70, 74, 80, 86, 100, 112, 128, 140, 148, 160, 172, 175, 185, 200, 215, 224, 256, 259, 280, 296, 301, 320, 344, 350, 370, 400, 430, 448, 518, 560, 592, 602, 640, 688, 700, 740, 800, 860, 896, 925, 1036, 1075, 1120, 1184, 1204, 1280, 1295, 1376, 1400, 1480, 1505, 1591, 1600, 1720, 1792, 1850, 2072, 2150, 2240, 2368, 2408, 2590, 2752, 2800, 2960, 3010, 3182, 3200, 3440, 3700, 4144, 4300, 4480, 4736, 4816, 5180, 5504, 5600, 5920, 6020, 6364, 6400, 6475, 6880, 7400, 7525, 7955, 8288, 8600, 8960, 9472, 9632, 10360, 11008, 11137, 11200, 11840, 12040, 12728, 12950, 13760, 14800, 15050, 15910, 16576, 17200, 19264, 20720, 22274, 22400, 23680, 24080, 25456, 25900, 27520, 29600, 30100, 31820, 33152, 34400, 38528, 39775, 41440, 44548, 44800, 47360, 48160, 50912, 51800, 55040, 55685, 59200, 60200, 63640, 66304, 68800, 77056, 79550, 82880, 89096, 96320, 101824, 103600, 111370, 118400, 120400, 127280, 137600, 159100, 165760, 178192, 192640, 203648, 207200, 222740, 236800, 240800, 254560, 275200, 278425, 318200, 331520, 356384, 385280, 407296, 414400, 445480, 481600, 509120, 556850, 636400, 712768, 828800, 890960, 963200, 1018240, 1113700, 1272800, 1425536, 1657600, 1781920, 1926400, 2036480, 2227400, 2545600, 2851072, 3563840, 4454800, 5091200, 7127680, 8909600, 10182400, 14255360, 17819200, 35638400, 71276800]

約数ペア:

[(1, 71276800), (2, 35638400), (4, 17819200), (5, 14255360), (7, 10182400), (8, 8909600), (10, 7127680), (14, 5091200), (16, 4454800), (20, 3563840), (25, 2851072), (28, 2545600), (32, 2227400), (35, 2036480), (37, 1926400), (40, 1781920), (43, 1657600), (50, 1425536), (56, 1272800), (64, 1113700), (70, 1018240), (74, 963200), (80, 890960), (86, 828800), (100, 712768), (112, 636400), (128, 556850), (140, 509120), (148, 481600), (160, 445480), (172, 414400), (175, 407296), (185, 385280), (200, 356384), (215, 331520), (224, 318200), (256, 278425), (259, 275200), (280, 254560), (296, 240800), (301, 236800), (320, 222740), (344, 207200), (350, 203648), (370, 192640), (400, 178192), (430, 165760), (448, 159100), (518, 137600), (560, 127280), (592, 120400), (602, 118400), (640, 111370), (688, 103600), (700, 101824), (740, 96320), (800, 89096), (860, 82880), (896, 79550), (925, 77056), (1036, 68800), (1075, 66304), (1120, 63640), (1184, 60200), (1204, 59200), (1280, 55685), (1295, 55040), (1376, 51800), (1400, 50912), (1480, 48160), (1505, 47360), (1591, 44800), (1600, 44548), (1720, 41440), (1792, 39775), (1850, 38528), (2072, 34400), (2150, 33152), (2240, 31820), (2368, 30100), (2408, 29600), (2590, 27520), (2752, 25900), (2800, 25456), (2960, 24080), (3010, 23680), (3182, 22400), (3200, 22274), (3440, 20720), (3700, 19264), (4144, 17200), (4300, 16576), (4480, 15910), (4736, 15050), (4816, 14800), (5180, 13760), (5504, 12950), (5600, 12728), (5920, 12040), (6020, 11840), (6364, 11200), (6400, 11137), (6475, 11008), (6880, 10360), (7400, 9632), (7525, 9472), (7955, 8960), (8288, 8600)]