1311000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 128

約数和(自身を含む): 4492800

約数和(自身を除く): 3181800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 25, 30, 38, 40, 46, 50, 57, 60, 69, 75, 76, 92, 95, 100, 114, 115, 120, 125, 138, 150, 152, 184, 190, 200, 228, 230, 250, 276, 285, 300, 345, 375, 380, 437, 456, 460, 475, 500, 552, 570, 575, 600, 690, 750, 760, 874, 920, 950, 1000, 1140, 1150, 1311, 1380, 1425, 1500, 1725, 1748, 1900, 2185, 2280, 2300, 2375, 2622, 2760, 2850, 2875, 3000, 3450, 3496, 3800, 4370, 4600, 4750, 5244, 5700, 5750, 6555, 6900, 7125, 8625, 8740, 9500, 10488, 10925, 11400, 11500, 13110, 13800, 14250, 17250, 17480, 19000, 21850, 23000, 26220, 28500, 32775, 34500, 43700, 52440, 54625, 57000, 65550, 69000, 87400, 109250, 131100, 163875, 218500, 262200, 327750, 437000, 655500, 1311000]

約数ペア:

[(1, 1311000), (2, 655500), (3, 437000), (4, 327750), (5, 262200), (6, 218500), (8, 163875), (10, 131100), (12, 109250), (15, 87400), (19, 69000), (20, 65550), (23, 57000), (24, 54625), (25, 52440), (30, 43700), (38, 34500), (40, 32775), (46, 28500), (50, 26220), (57, 23000), (60, 21850), (69, 19000), (75, 17480), (76, 17250), (92, 14250), (95, 13800), (100, 13110), (114, 11500), (115, 11400), (120, 10925), (125, 10488), (138, 9500), (150, 8740), (152, 8625), (184, 7125), (190, 6900), (200, 6555), (228, 5750), (230, 5700), (250, 5244), (276, 4750), (285, 4600), (300, 4370), (345, 3800), (375, 3496), (380, 3450), (437, 3000), (456, 2875), (460, 2850), (475, 2760), (500, 2622), (552, 2375), (570, 2300), (575, 2280), (600, 2185), (690, 1900), (750, 1748), (760, 1725), (874, 1500), (920, 1425), (950, 1380), (1000, 1311), (1140, 1150)]