256304160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:616

約数の個数: 288

約数和(自身を含む): 1022740992

約数和(自身を除く): 766436832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 96, 105, 112, 120, 126, 140, 141, 144, 160, 168, 180, 188, 210, 224, 235, 240, 252, 280, 282, 288, 315, 329, 336, 360, 376, 420, 423, 470, 480, 504, 541, 560, 564, 630, 658, 672, 705, 720, 752, 840, 846, 940, 987, 1008, 1082, 1120, 1128, 1260, 1316, 1410, 1440, 1504, 1623, 1645, 1680, 1692, 1880, 1974, 2016, 2115, 2164, 2256, 2520, 2632, 2705, 2820, 2961, 3246, 3290, 3360, 3384, 3760, 3787, 3948, 4230, 4328, 4512, 4869, 4935, 5040, 5264, 5410, 5640, 5922, 6492, 6580, 6768, 7520, 7574, 7896, 8115, 8460, 8656, 9738, 9870, 10080, 10528, 10820, 11280, 11361, 11844, 12984, 13160, 13536, 14805, 15148, 15792, 16230, 16920, 17312, 18935, 19476, 19740, 21640, 22560, 22722, 23688, 24345, 25427, 25968, 26320, 29610, 30296, 31584, 32460, 33840, 34083, 37870, 38952, 39480, 43280, 45444, 47376, 48690, 50854, 51936, 52640, 56805, 59220, 60592, 64920, 67680, 68166, 75740, 76281, 77904, 78960, 86560, 90888, 94752, 97380, 101708, 113610, 118440, 121184, 127135, 129840, 136332, 151480, 152562, 155808, 157920, 170415, 177989, 181776, 194760, 203416, 227220, 228843, 236880, 254270, 259680, 272664, 302960, 305124, 340830, 355978, 363552, 381405, 389520, 406832, 454440, 457686, 473760, 508540, 533967, 545328, 605920, 610248, 681660, 711956, 762810, 779040, 813664, 889945, 908880, 915372, 1017080, 1067934, 1090656, 1144215, 1220496, 1363320, 1423912, 1525620, 1601901, 1779890, 1817760, 1830744, 2034160, 2135868, 2288430, 2440992, 2669835, 2726640, 2847824, 3051240, 3203802, 3559780, 3661488, 4068320, 4271736, 4576860, 5339670, 5453280, 5695648, 6102480, 6407604, 7119560, 7322976, 8009505, 8543472, 9153720, 10679340, 12204960, 12815208, 14239120, 16019010, 17086944, 18307440, 21358680, 25630416, 28478240, 32038020, 36614880, 42717360, 51260832, 64076040, 85434720, 128152080, 256304160]

約数ペア:

[(1, 256304160), (2, 128152080), (3, 85434720), (4, 64076040), (5, 51260832), (6, 42717360), (7, 36614880), (8, 32038020), (9, 28478240), (10, 25630416), (12, 21358680), (14, 18307440), (15, 17086944), (16, 16019010), (18, 14239120), (20, 12815208), (21, 12204960), (24, 10679340), (28, 9153720), (30, 8543472), (32, 8009505), (35, 7322976), (36, 7119560), (40, 6407604), (42, 6102480), (45, 5695648), (47, 5453280), (48, 5339670), (56, 4576860), (60, 4271736), (63, 4068320), (70, 3661488), (72, 3559780), (80, 3203802), (84, 3051240), (90, 2847824), (94, 2726640), (96, 2669835), (105, 2440992), (112, 2288430), (120, 2135868), (126, 2034160), (140, 1830744), (141, 1817760), (144, 1779890), (160, 1601901), (168, 1525620), (180, 1423912), (188, 1363320), (210, 1220496), (224, 1144215), (235, 1090656), (240, 1067934), (252, 1017080), (280, 915372), (282, 908880), (288, 889945), (315, 813664), (329, 779040), (336, 762810), (360, 711956), (376, 681660), (420, 610248), (423, 605920), (470, 545328), (480, 533967), (504, 508540), (541, 473760), (560, 457686), (564, 454440), (630, 406832), (658, 389520), (672, 381405), (705, 363552), (720, 355978), (752, 340830), (840, 305124), (846, 302960), (940, 272664), (987, 259680), (1008, 254270), (1082, 236880), (1120, 228843), (1128, 227220), (1260, 203416), (1316, 194760), (1410, 181776), (1440, 177989), (1504, 170415), (1623, 157920), (1645, 155808), (1680, 152562), (1692, 151480), (1880, 136332), (1974, 129840), (2016, 127135), (2115, 121184), (2164, 118440), (2256, 113610), (2520, 101708), (2632, 97380), (2705, 94752), (2820, 90888), (2961, 86560), (3246, 78960), (3290, 77904), (3360, 76281), (3384, 75740), (3760, 68166), (3787, 67680), (3948, 64920), (4230, 60592), (4328, 59220), (4512, 56805), (4869, 52640), (4935, 51936), (5040, 50854), (5264, 48690), (5410, 47376), (5640, 45444), (5922, 43280), (6492, 39480), (6580, 38952), (6768, 37870), (7520, 34083), (7574, 33840), (7896, 32460), (8115, 31584), (8460, 30296), (8656, 29610), (9738, 26320), (9870, 25968), (10080, 25427), (10528, 24345), (10820, 23688), (11280, 22722), (11361, 22560), (11844, 21640), (12984, 19740), (13160, 19476), (13536, 18935), (14805, 17312), (15148, 16920), (15792, 16230)]