1687840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 5007744

約数和(自身を除く): 3319904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 137, 140, 154, 160, 176, 220, 224, 274, 280, 308, 352, 385, 440, 548, 560, 616, 685, 770, 880, 959, 1096, 1120, 1232, 1370, 1507, 1540, 1760, 1918, 2192, 2464, 2740, 3014, 3080, 3836, 4384, 4795, 5480, 6028, 6160, 7535, 7672, 9590, 10549, 10960, 12056, 12320, 15070, 15344, 19180, 21098, 21920, 24112, 30140, 30688, 38360, 42196, 48224, 52745, 60280, 76720, 84392, 105490, 120560, 153440, 168784, 210980, 241120, 337568, 421960, 843920, 1687840]

約数ペア:

[(1, 1687840), (2, 843920), (4, 421960), (5, 337568), (7, 241120), (8, 210980), (10, 168784), (11, 153440), (14, 120560), (16, 105490), (20, 84392), (22, 76720), (28, 60280), (32, 52745), (35, 48224), (40, 42196), (44, 38360), (55, 30688), (56, 30140), (70, 24112), (77, 21920), (80, 21098), (88, 19180), (110, 15344), (112, 15070), (137, 12320), (140, 12056), (154, 10960), (160, 10549), (176, 9590), (220, 7672), (224, 7535), (274, 6160), (280, 6028), (308, 5480), (352, 4795), (385, 4384), (440, 3836), (548, 3080), (560, 3014), (616, 2740), (685, 2464), (770, 2192), (880, 1918), (959, 1760), (1096, 1540), (1120, 1507), (1232, 1370)]