71980800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 216

約数和(自身を含む): 249400704

約数和(自身を除く): 177419904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 128, 138, 150, 160, 163, 184, 192, 200, 230, 240, 256, 276, 300, 320, 326, 345, 368, 384, 400, 460, 480, 489, 552, 575, 600, 640, 652, 690, 736, 768, 800, 815, 920, 960, 978, 1104, 1150, 1200, 1280, 1304, 1380, 1472, 1600, 1630, 1725, 1840, 1920, 1956, 2208, 2300, 2400, 2445, 2608, 2760, 2944, 3200, 3260, 3450, 3680, 3749, 3840, 3912, 4075, 4416, 4600, 4800, 4890, 5216, 5520, 5888, 6400, 6520, 6900, 7360, 7498, 7824, 8150, 8832, 9200, 9600, 9780, 10432, 11040, 11247, 12225, 13040, 13800, 14720, 14996, 15648, 16300, 17664, 18400, 18745, 19200, 19560, 20864, 22080, 22494, 24450, 26080, 27600, 29440, 29992, 31296, 32600, 36800, 37490, 39120, 41728, 44160, 44988, 48900, 52160, 55200, 56235, 59984, 62592, 65200, 73600, 74980, 78240, 88320, 89976, 93725, 97800, 104320, 110400, 112470, 119968, 125184, 130400, 147200, 149960, 156480, 179952, 187450, 195600, 208640, 220800, 224940, 239936, 260800, 281175, 299920, 312960, 359904, 374900, 391200, 441600, 449880, 479872, 521600, 562350, 599840, 625920, 719808, 749800, 782400, 899760, 959744, 1043200, 1124700, 1199680, 1439616, 1499600, 1564800, 1799520, 2249400, 2399360, 2879232, 2999200, 3129600, 3599040, 4498800, 4798720, 5998400, 7198080, 8997600, 11996800, 14396160, 17995200, 23993600, 35990400, 71980800]

約数ペア:

[(1, 71980800), (2, 35990400), (3, 23993600), (4, 17995200), (5, 14396160), (6, 11996800), (8, 8997600), (10, 7198080), (12, 5998400), (15, 4798720), (16, 4498800), (20, 3599040), (23, 3129600), (24, 2999200), (25, 2879232), (30, 2399360), (32, 2249400), (40, 1799520), (46, 1564800), (48, 1499600), (50, 1439616), (60, 1199680), (64, 1124700), (69, 1043200), (75, 959744), (80, 899760), (92, 782400), (96, 749800), (100, 719808), (115, 625920), (120, 599840), (128, 562350), (138, 521600), (150, 479872), (160, 449880), (163, 441600), (184, 391200), (192, 374900), (200, 359904), (230, 312960), (240, 299920), (256, 281175), (276, 260800), (300, 239936), (320, 224940), (326, 220800), (345, 208640), (368, 195600), (384, 187450), (400, 179952), (460, 156480), (480, 149960), (489, 147200), (552, 130400), (575, 125184), (600, 119968), (640, 112470), (652, 110400), (690, 104320), (736, 97800), (768, 93725), (800, 89976), (815, 88320), (920, 78240), (960, 74980), (978, 73600), (1104, 65200), (1150, 62592), (1200, 59984), (1280, 56235), (1304, 55200), (1380, 52160), (1472, 48900), (1600, 44988), (1630, 44160), (1725, 41728), (1840, 39120), (1920, 37490), (1956, 36800), (2208, 32600), (2300, 31296), (2400, 29992), (2445, 29440), (2608, 27600), (2760, 26080), (2944, 24450), (3200, 22494), (3260, 22080), (3450, 20864), (3680, 19560), (3749, 19200), (3840, 18745), (3912, 18400), (4075, 17664), (4416, 16300), (4600, 15648), (4800, 14996), (4890, 14720), (5216, 13800), (5520, 13040), (5888, 12225), (6400, 11247), (6520, 11040), (6900, 10432), (7360, 9780), (7498, 9600), (7824, 9200), (8150, 8832)]