261525672

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:373

約数の個数: 160

約数和(自身を含む): 775019520

約数和(自身を除く): 513493848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 47, 54, 62, 72, 81, 93, 94, 108, 124, 141, 162, 186, 188, 216, 248, 277, 279, 282, 324, 372, 376, 423, 554, 558, 564, 648, 744, 831, 837, 846, 1108, 1116, 1128, 1269, 1457, 1662, 1674, 1692, 2216, 2232, 2493, 2511, 2538, 2914, 3324, 3348, 3384, 3807, 4371, 4986, 5022, 5076, 5828, 6648, 6696, 7479, 7614, 8587, 8742, 9972, 10044, 10152, 11656, 13019, 13113, 14958, 15228, 17174, 17484, 19944, 20088, 22437, 25761, 26038, 26226, 29916, 30456, 34348, 34968, 39057, 39339, 44874, 51522, 52076, 52452, 59832, 68696, 77283, 78114, 78678, 89748, 103044, 104152, 104904, 117171, 118017, 154566, 156228, 157356, 179496, 206088, 231849, 234342, 236034, 309132, 312456, 314712, 351513, 403589, 463698, 468684, 472068, 618264, 695547, 703026, 807178, 927396, 937368, 944136, 1054539, 1210767, 1391094, 1406052, 1614356, 1854792, 2109078, 2421534, 2782188, 2812104, 3228712, 3632301, 4218156, 4843068, 5564376, 7264602, 8436312, 9686136, 10896903, 14529204, 21793806, 29058408, 32690709, 43587612, 65381418, 87175224, 130762836, 261525672]

約数ペア:

[(1, 261525672), (2, 130762836), (3, 87175224), (4, 65381418), (6, 43587612), (8, 32690709), (9, 29058408), (12, 21793806), (18, 14529204), (24, 10896903), (27, 9686136), (31, 8436312), (36, 7264602), (47, 5564376), (54, 4843068), (62, 4218156), (72, 3632301), (81, 3228712), (93, 2812104), (94, 2782188), (108, 2421534), (124, 2109078), (141, 1854792), (162, 1614356), (186, 1406052), (188, 1391094), (216, 1210767), (248, 1054539), (277, 944136), (279, 937368), (282, 927396), (324, 807178), (372, 703026), (376, 695547), (423, 618264), (554, 472068), (558, 468684), (564, 463698), (648, 403589), (744, 351513), (831, 314712), (837, 312456), (846, 309132), (1108, 236034), (1116, 234342), (1128, 231849), (1269, 206088), (1457, 179496), (1662, 157356), (1674, 156228), (1692, 154566), (2216, 118017), (2232, 117171), (2493, 104904), (2511, 104152), (2538, 103044), (2914, 89748), (3324, 78678), (3348, 78114), (3384, 77283), (3807, 68696), (4371, 59832), (4986, 52452), (5022, 52076), (5076, 51522), (5828, 44874), (6648, 39339), (6696, 39057), (7479, 34968), (7614, 34348), (8587, 30456), (8742, 29916), (9972, 26226), (10044, 26038), (10152, 25761), (11656, 22437), (13019, 20088), (13113, 19944), (14958, 17484), (15228, 17174)]