69920000

素因数分解:

$2^8\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 180

約数和(自身を含む): 191563680

約数和(自身を除く): 121643680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 32, 38, 40, 46, 50, 64, 76, 80, 92, 95, 100, 115, 125, 128, 152, 160, 184, 190, 200, 230, 250, 256, 304, 320, 368, 380, 400, 437, 460, 475, 500, 575, 608, 625, 640, 736, 760, 800, 874, 920, 950, 1000, 1150, 1216, 1250, 1280, 1472, 1520, 1600, 1748, 1840, 1900, 2000, 2185, 2300, 2375, 2432, 2500, 2875, 2944, 3040, 3200, 3496, 3680, 3800, 4000, 4370, 4600, 4750, 4864, 5000, 5750, 5888, 6080, 6400, 6992, 7360, 7600, 8000, 8740, 9200, 9500, 10000, 10925, 11500, 11875, 12160, 13984, 14375, 14720, 15200, 16000, 17480, 18400, 19000, 20000, 21850, 23000, 23750, 24320, 27968, 28750, 29440, 30400, 32000, 34960, 36800, 38000, 40000, 43700, 46000, 47500, 54625, 55936, 57500, 60800, 69920, 73600, 76000, 80000, 87400, 92000, 95000, 109250, 111872, 115000, 121600, 139840, 147200, 152000, 160000, 174800, 184000, 190000, 218500, 230000, 273125, 279680, 304000, 349600, 368000, 380000, 437000, 460000, 546250, 559360, 608000, 699200, 736000, 760000, 874000, 920000, 1092500, 1398400, 1520000, 1748000, 1840000, 2185000, 2796800, 3040000, 3496000, 3680000, 4370000, 6992000, 8740000, 13984000, 17480000, 34960000, 69920000]

約数ペア:

[(1, 69920000), (2, 34960000), (4, 17480000), (5, 13984000), (8, 8740000), (10, 6992000), (16, 4370000), (19, 3680000), (20, 3496000), (23, 3040000), (25, 2796800), (32, 2185000), (38, 1840000), (40, 1748000), (46, 1520000), (50, 1398400), (64, 1092500), (76, 920000), (80, 874000), (92, 760000), (95, 736000), (100, 699200), (115, 608000), (125, 559360), (128, 546250), (152, 460000), (160, 437000), (184, 380000), (190, 368000), (200, 349600), (230, 304000), (250, 279680), (256, 273125), (304, 230000), (320, 218500), (368, 190000), (380, 184000), (400, 174800), (437, 160000), (460, 152000), (475, 147200), (500, 139840), (575, 121600), (608, 115000), (625, 111872), (640, 109250), (736, 95000), (760, 92000), (800, 87400), (874, 80000), (920, 76000), (950, 73600), (1000, 69920), (1150, 60800), (1216, 57500), (1250, 55936), (1280, 54625), (1472, 47500), (1520, 46000), (1600, 43700), (1748, 40000), (1840, 38000), (1900, 36800), (2000, 34960), (2185, 32000), (2300, 30400), (2375, 29440), (2432, 28750), (2500, 27968), (2875, 24320), (2944, 23750), (3040, 23000), (3200, 21850), (3496, 20000), (3680, 19000), (3800, 18400), (4000, 17480), (4370, 16000), (4600, 15200), (4750, 14720), (4864, 14375), (5000, 13984), (5750, 12160), (5888, 11875), (6080, 11500), (6400, 10925), (6992, 10000), (7360, 9500), (7600, 9200), (8000, 8740)]