1288000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 112

約数和(自身を含む): 3803904

約数和(自身を除く): 2515904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 64, 70, 80, 92, 100, 112, 115, 125, 140, 160, 161, 175, 184, 200, 224, 230, 250, 280, 320, 322, 350, 368, 400, 448, 460, 500, 560, 575, 644, 700, 736, 800, 805, 875, 920, 1000, 1120, 1150, 1288, 1400, 1472, 1600, 1610, 1750, 1840, 2000, 2240, 2300, 2576, 2800, 2875, 3220, 3500, 3680, 4000, 4025, 4600, 5152, 5600, 5750, 6440, 7000, 7360, 8000, 8050, 9200, 10304, 11200, 11500, 12880, 14000, 16100, 18400, 20125, 23000, 25760, 28000, 32200, 36800, 40250, 46000, 51520, 56000, 64400, 80500, 92000, 128800, 161000, 184000, 257600, 322000, 644000, 1288000]

約数ペア:

[(1, 1288000), (2, 644000), (4, 322000), (5, 257600), (7, 184000), (8, 161000), (10, 128800), (14, 92000), (16, 80500), (20, 64400), (23, 56000), (25, 51520), (28, 46000), (32, 40250), (35, 36800), (40, 32200), (46, 28000), (50, 25760), (56, 23000), (64, 20125), (70, 18400), (80, 16100), (92, 14000), (100, 12880), (112, 11500), (115, 11200), (125, 10304), (140, 9200), (160, 8050), (161, 8000), (175, 7360), (184, 7000), (200, 6440), (224, 5750), (230, 5600), (250, 5152), (280, 4600), (320, 4025), (322, 4000), (350, 3680), (368, 3500), (400, 3220), (448, 2875), (460, 2800), (500, 2576), (560, 2300), (575, 2240), (644, 2000), (700, 1840), (736, 1750), (800, 1610), (805, 1600), (875, 1472), (920, 1400), (1000, 1288), (1120, 1150)]