121840768

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 309916800

約数和(自身を除く): 188076032

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 128, 133, 136, 152, 224, 238, 266, 272, 304, 323, 421, 448, 476, 532, 544, 608, 646, 842, 896, 952, 1064, 1088, 1216, 1292, 1684, 1904, 2128, 2176, 2261, 2432, 2584, 2947, 3368, 3808, 4256, 4522, 5168, 5894, 6736, 7157, 7616, 7999, 8512, 9044, 10336, 11788, 13472, 14314, 15232, 15998, 17024, 18088, 20672, 23576, 26944, 28628, 31996, 36176, 41344, 47152, 50099, 53888, 55993, 57256, 63992, 72352, 94304, 100198, 111986, 114512, 127984, 135983, 144704, 188608, 200396, 223972, 229024, 255968, 271966, 289408, 377216, 400792, 447944, 458048, 511936, 543932, 801584, 895888, 916096, 951881, 1023872, 1087864, 1603168, 1791776, 1903762, 2175728, 3206336, 3583552, 3807524, 4351456, 6412672, 7167104, 7615048, 8702912, 15230096, 17405824, 30460192, 60920384, 121840768]

約数ペア:

[(1, 121840768), (2, 60920384), (4, 30460192), (7, 17405824), (8, 15230096), (14, 8702912), (16, 7615048), (17, 7167104), (19, 6412672), (28, 4351456), (32, 3807524), (34, 3583552), (38, 3206336), (56, 2175728), (64, 1903762), (68, 1791776), (76, 1603168), (112, 1087864), (119, 1023872), (128, 951881), (133, 916096), (136, 895888), (152, 801584), (224, 543932), (238, 511936), (266, 458048), (272, 447944), (304, 400792), (323, 377216), (421, 289408), (448, 271966), (476, 255968), (532, 229024), (544, 223972), (608, 200396), (646, 188608), (842, 144704), (896, 135983), (952, 127984), (1064, 114512), (1088, 111986), (1216, 100198), (1292, 94304), (1684, 72352), (1904, 63992), (2128, 57256), (2176, 55993), (2261, 53888), (2432, 50099), (2584, 47152), (2947, 41344), (3368, 36176), (3808, 31996), (4256, 28628), (4522, 26944), (5168, 23576), (5894, 20672), (6736, 18088), (7157, 17024), (7616, 15998), (7999, 15232), (8512, 14314), (9044, 13472), (10336, 11788)]