256280472

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 838656000

約数和(自身を除く): 582375528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 47, 56, 62, 63, 72, 84, 93, 94, 124, 126, 141, 168, 186, 188, 217, 248, 252, 279, 282, 329, 349, 372, 376, 423, 434, 504, 558, 564, 651, 658, 698, 744, 846, 868, 987, 1047, 1116, 1128, 1302, 1316, 1396, 1457, 1692, 1736, 1953, 1974, 2094, 2232, 2443, 2604, 2632, 2792, 2914, 2961, 3141, 3384, 3906, 3948, 4188, 4371, 4886, 5208, 5828, 5922, 6282, 7329, 7812, 7896, 8376, 8742, 9772, 10199, 10819, 11656, 11844, 12564, 13113, 14658, 15624, 16403, 17484, 19544, 20398, 21638, 21987, 23688, 25128, 26226, 29316, 30597, 32457, 32806, 34968, 40796, 43276, 43974, 49209, 52452, 58632, 61194, 64914, 65612, 75733, 81592, 86552, 87948, 91791, 97371, 98418, 104904, 114821, 122388, 129828, 131224, 147627, 151466, 175896, 183582, 194742, 196836, 227199, 229642, 244776, 259656, 295254, 302932, 344463, 367164, 389484, 393672, 454398, 459284, 508493, 590508, 605864, 681597, 688926, 734328, 778968, 908796, 918568, 1016986, 1033389, 1181016, 1363194, 1377852, 1525479, 1817592, 2033972, 2066778, 2726388, 2755704, 3050958, 3559451, 4067944, 4133556, 4576437, 5452776, 6101916, 7118902, 8267112, 9152874, 10678353, 12203832, 14237804, 18305748, 21356706, 28475608, 32035059, 36611496, 42713412, 64070118, 85426824, 128140236, 256280472]

約数ペア:

[(1, 256280472), (2, 128140236), (3, 85426824), (4, 64070118), (6, 42713412), (7, 36611496), (8, 32035059), (9, 28475608), (12, 21356706), (14, 18305748), (18, 14237804), (21, 12203832), (24, 10678353), (28, 9152874), (31, 8267112), (36, 7118902), (42, 6101916), (47, 5452776), (56, 4576437), (62, 4133556), (63, 4067944), (72, 3559451), (84, 3050958), (93, 2755704), (94, 2726388), (124, 2066778), (126, 2033972), (141, 1817592), (168, 1525479), (186, 1377852), (188, 1363194), (217, 1181016), (248, 1033389), (252, 1016986), (279, 918568), (282, 908796), (329, 778968), (349, 734328), (372, 688926), (376, 681597), (423, 605864), (434, 590508), (504, 508493), (558, 459284), (564, 454398), (651, 393672), (658, 389484), (698, 367164), (744, 344463), (846, 302932), (868, 295254), (987, 259656), (1047, 244776), (1116, 229642), (1128, 227199), (1302, 196836), (1316, 194742), (1396, 183582), (1457, 175896), (1692, 151466), (1736, 147627), (1953, 131224), (1974, 129828), (2094, 122388), (2232, 114821), (2443, 104904), (2604, 98418), (2632, 97371), (2792, 91791), (2914, 87948), (2961, 86552), (3141, 81592), (3384, 75733), (3906, 65612), (3948, 64914), (4188, 61194), (4371, 58632), (4886, 52452), (5208, 49209), (5828, 43974), (5922, 43276), (6282, 40796), (7329, 34968), (7812, 32806), (7896, 32457), (8376, 30597), (8742, 29316), (9772, 26226), (10199, 25128), (10819, 23688), (11656, 21987), (11844, 21638), (12564, 20398), (13113, 19544), (14658, 17484), (15624, 16403)]