1980672708

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 6008217600

約数和(自身を除く): 4027544892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 43, 49, 57, 62, 76, 84, 86, 93, 98, 114, 124, 129, 133, 147, 172, 186, 196, 217, 228, 258, 266, 294, 301, 343, 361, 372, 399, 434, 516, 532, 588, 589, 602, 651, 686, 722, 798, 817, 868, 903, 931, 1029, 1083, 1178, 1204, 1302, 1333, 1372, 1444, 1519, 1596, 1634, 1767, 1806, 1862, 2058, 2107, 2166, 2356, 2451, 2527, 2604, 2666, 2793, 3038, 3268, 3534, 3612, 3724, 3999, 4116, 4123, 4214, 4332, 4557, 4902, 5054, 5332, 5586, 5719, 6076, 6321, 6517, 7068, 7581, 7998, 8246, 8428, 9114, 9331, 9804, 10108, 10633, 11172, 11191, 11438, 12369, 12642, 13034, 14749, 15162, 15523, 15996, 16492, 17157, 17689, 18228, 18662, 19551, 21266, 22382, 22876, 24738, 25284, 25327, 26068, 27993, 28861, 29498, 30324, 31046, 31899, 33573, 34314, 35378, 37324, 39102, 40033, 42532, 44247, 44764, 46569, 49476, 50654, 53067, 55986, 57722, 58996, 62092, 63798, 65317, 67146, 68628, 70756, 75981, 78204, 78337, 80066, 86583, 88494, 93138, 101308, 106134, 108661, 111972, 115444, 120099, 123823, 127596, 130634, 134292, 151962, 156674, 160132, 173166, 176988, 177289, 186276, 195951, 202027, 212268, 217322, 235011, 240198, 247646, 261268, 280231, 303924, 313348, 325983, 346332, 354578, 371469, 391902, 404054, 434644, 457219, 470022, 480396, 481213, 495292, 531867, 548359, 560462, 606081, 651966, 709156, 742938, 760627, 783804, 808108, 840693, 914438, 940044, 962426, 1063734, 1096718, 1120924, 1212162, 1241023, 1303932, 1371657, 1443639, 1485876, 1521254, 1645077, 1681386, 1828876, 1924852, 2127468, 2193436, 2281881, 2424324, 2482046, 2743314, 2887278, 3042508, 3290154, 3362772, 3368491, 3723069, 3838513, 4563762, 4964092, 5324389, 5486628, 5774556, 6580308, 6736982, 7446138, 7677026, 8687161, 9127524, 10105473, 10648778, 11515539, 13473964, 14892276, 15354052, 15973167, 17374322, 20210946, 21297556, 23031078, 23579437, 26061483, 31946334, 34748644, 40421892, 46062156, 47158874, 52122966, 63892668, 70738311, 94317748, 104245932, 141476622, 165056059, 282953244, 330112118, 495168177, 660224236, 990336354, 1980672708]

約数ペア:

[(1, 1980672708), (2, 990336354), (3, 660224236), (4, 495168177), (6, 330112118), (7, 282953244), (12, 165056059), (14, 141476622), (19, 104245932), (21, 94317748), (28, 70738311), (31, 63892668), (38, 52122966), (42, 47158874), (43, 46062156), (49, 40421892), (57, 34748644), (62, 31946334), (76, 26061483), (84, 23579437), (86, 23031078), (93, 21297556), (98, 20210946), (114, 17374322), (124, 15973167), (129, 15354052), (133, 14892276), (147, 13473964), (172, 11515539), (186, 10648778), (196, 10105473), (217, 9127524), (228, 8687161), (258, 7677026), (266, 7446138), (294, 6736982), (301, 6580308), (343, 5774556), (361, 5486628), (372, 5324389), (399, 4964092), (434, 4563762), (516, 3838513), (532, 3723069), (588, 3368491), (589, 3362772), (602, 3290154), (651, 3042508), (686, 2887278), (722, 2743314), (798, 2482046), (817, 2424324), (868, 2281881), (903, 2193436), (931, 2127468), (1029, 1924852), (1083, 1828876), (1178, 1681386), (1204, 1645077), (1302, 1521254), (1333, 1485876), (1372, 1443639), (1444, 1371657), (1519, 1303932), (1596, 1241023), (1634, 1212162), (1767, 1120924), (1806, 1096718), (1862, 1063734), (2058, 962426), (2107, 940044), (2166, 914438), (2356, 840693), (2451, 808108), (2527, 783804), (2604, 760627), (2666, 742938), (2793, 709156), (3038, 651966), (3268, 606081), (3534, 560462), (3612, 548359), (3724, 531867), (3999, 495292), (4116, 481213), (4123, 480396), (4214, 470022), (4332, 457219), (4557, 434644), (4902, 404054), (5054, 391902), (5332, 371469), (5586, 354578), (5719, 346332), (6076, 325983), (6321, 313348), (6517, 303924), (7068, 280231), (7581, 261268), (7998, 247646), (8246, 240198), (8428, 235011), (9114, 217322), (9331, 212268), (9804, 202027), (10108, 195951), (10633, 186276), (11172, 177289), (11191, 176988), (11438, 173166), (12369, 160132), (12642, 156674), (13034, 151962), (14749, 134292), (15162, 130634), (15523, 127596), (15996, 123823), (16492, 120099), (17157, 115444), (17689, 111972), (18228, 108661), (18662, 106134), (19551, 101308), (21266, 93138), (22382, 88494), (22876, 86583), (24738, 80066), (25284, 78337), (25327, 78204), (26068, 75981), (27993, 70756), (28861, 68628), (29498, 67146), (30324, 65317), (31046, 63798), (31899, 62092), (33573, 58996), (34314, 57722), (35378, 55986), (37324, 53067), (39102, 50654), (40033, 49476), (42532, 46569), (44247, 44764)]