2080521520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^2$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 6208245504

約数和(自身を除く): 4127723984

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 71, 77, 80, 88, 110, 112, 134, 140, 142, 154, 176, 220, 268, 280, 284, 308, 335, 355, 385, 440, 469, 497, 536, 560, 568, 616, 670, 710, 737, 770, 781, 880, 938, 994, 1072, 1136, 1232, 1340, 1420, 1474, 1540, 1562, 1876, 1988, 2345, 2485, 2680, 2840, 2948, 3080, 3124, 3685, 3752, 3905, 3976, 4690, 4757, 4970, 5041, 5159, 5360, 5467, 5680, 5896, 6160, 6248, 7370, 7504, 7810, 7952, 9380, 9514, 9940, 10082, 10318, 10934, 11792, 12496, 14740, 15620, 18760, 19028, 19880, 20164, 20636, 21868, 23785, 25205, 25795, 27335, 29480, 31240, 33299, 35287, 37520, 38056, 39760, 40328, 41272, 43736, 47570, 50410, 51590, 52327, 54670, 55451, 58960, 62480, 66598, 70574, 76112, 80656, 82544, 87472, 95140, 100820, 103180, 104654, 109340, 110902, 133196, 141148, 166495, 176435, 190280, 201640, 206360, 209308, 218680, 221804, 261635, 266392, 277255, 282296, 332990, 337747, 352870, 366289, 380560, 388157, 403280, 412720, 418616, 437360, 443608, 523270, 532784, 554510, 564592, 665980, 675494, 705740, 732578, 776314, 837232, 887216, 1046540, 1109020, 1331960, 1350988, 1411480, 1465156, 1552628, 1688735, 1831445, 1940785, 2093080, 2218040, 2364229, 2663920, 2701976, 2822960, 2930312, 3105256, 3377470, 3662890, 3715217, 3881570, 4186160, 4436080, 4728458, 5403952, 5860624, 6210512, 6754940, 7325780, 7430434, 7763140, 9456916, 11821145, 13509880, 14651560, 14860868, 15526280, 18576085, 18913832, 23642290, 26006519, 27019760, 29303120, 29721736, 31052560, 37152170, 37827664, 47284580, 52013038, 59443472, 74304340, 94569160, 104026076, 130032595, 148608680, 189138320, 208052152, 260065190, 297217360, 416104304, 520130380, 1040260760, 2080521520]

約数ペア:

[(1, 2080521520), (2, 1040260760), (4, 520130380), (5, 416104304), (7, 297217360), (8, 260065190), (10, 208052152), (11, 189138320), (14, 148608680), (16, 130032595), (20, 104026076), (22, 94569160), (28, 74304340), (35, 59443472), (40, 52013038), (44, 47284580), (55, 37827664), (56, 37152170), (67, 31052560), (70, 29721736), (71, 29303120), (77, 27019760), (80, 26006519), (88, 23642290), (110, 18913832), (112, 18576085), (134, 15526280), (140, 14860868), (142, 14651560), (154, 13509880), (176, 11821145), (220, 9456916), (268, 7763140), (280, 7430434), (284, 7325780), (308, 6754940), (335, 6210512), (355, 5860624), (385, 5403952), (440, 4728458), (469, 4436080), (497, 4186160), (536, 3881570), (560, 3715217), (568, 3662890), (616, 3377470), (670, 3105256), (710, 2930312), (737, 2822960), (770, 2701976), (781, 2663920), (880, 2364229), (938, 2218040), (994, 2093080), (1072, 1940785), (1136, 1831445), (1232, 1688735), (1340, 1552628), (1420, 1465156), (1474, 1411480), (1540, 1350988), (1562, 1331960), (1876, 1109020), (1988, 1046540), (2345, 887216), (2485, 837232), (2680, 776314), (2840, 732578), (2948, 705740), (3080, 675494), (3124, 665980), (3685, 564592), (3752, 554510), (3905, 532784), (3976, 523270), (4690, 443608), (4757, 437360), (4970, 418616), (5041, 412720), (5159, 403280), (5360, 388157), (5467, 380560), (5680, 366289), (5896, 352870), (6160, 337747), (6248, 332990), (7370, 282296), (7504, 277255), (7810, 266392), (7952, 261635), (9380, 221804), (9514, 218680), (9940, 209308), (10082, 206360), (10318, 201640), (10934, 190280), (11792, 176435), (12496, 166495), (14740, 141148), (15620, 133196), (18760, 110902), (19028, 109340), (19880, 104654), (20164, 103180), (20636, 100820), (21868, 95140), (23785, 87472), (25205, 82544), (25795, 80656), (27335, 76112), (29480, 70574), (31240, 66598), (33299, 62480), (35287, 58960), (37520, 55451), (38056, 54670), (39760, 52327), (40328, 51590), (41272, 50410), (43736, 47570)]