8017240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 23846400

約数和(自身を除く): 15829160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 137, 140, 152, 154, 190, 209, 220, 266, 274, 280, 308, 380, 385, 418, 440, 532, 548, 616, 665, 685, 760, 770, 836, 959, 1045, 1064, 1096, 1330, 1370, 1463, 1507, 1540, 1672, 1918, 2090, 2603, 2660, 2740, 2926, 3014, 3080, 3836, 4180, 4795, 5206, 5320, 5480, 5852, 6028, 7315, 7535, 7672, 8360, 9590, 10412, 10549, 11704, 12056, 13015, 14630, 15070, 18221, 19180, 20824, 21098, 26030, 28633, 29260, 30140, 36442, 38360, 42196, 52060, 52745, 57266, 58520, 60280, 72884, 84392, 91105, 104120, 105490, 114532, 143165, 145768, 182210, 200431, 210980, 229064, 286330, 364420, 400862, 421960, 572660, 728840, 801724, 1002155, 1145320, 1603448, 2004310, 4008620, 8017240]

約数ペア:

[(1, 8017240), (2, 4008620), (4, 2004310), (5, 1603448), (7, 1145320), (8, 1002155), (10, 801724), (11, 728840), (14, 572660), (19, 421960), (20, 400862), (22, 364420), (28, 286330), (35, 229064), (38, 210980), (40, 200431), (44, 182210), (55, 145768), (56, 143165), (70, 114532), (76, 105490), (77, 104120), (88, 91105), (95, 84392), (110, 72884), (133, 60280), (137, 58520), (140, 57266), (152, 52745), (154, 52060), (190, 42196), (209, 38360), (220, 36442), (266, 30140), (274, 29260), (280, 28633), (308, 26030), (380, 21098), (385, 20824), (418, 19180), (440, 18221), (532, 15070), (548, 14630), (616, 13015), (665, 12056), (685, 11704), (760, 10549), (770, 10412), (836, 9590), (959, 8360), (1045, 7672), (1064, 7535), (1096, 7315), (1330, 6028), (1370, 5852), (1463, 5480), (1507, 5320), (1540, 5206), (1672, 4795), (1918, 4180), (2090, 3836), (2603, 3080), (2660, 3014), (2740, 2926)]