128455264

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 320604480

約数和(自身を除く): 192149216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 61, 68, 79, 98, 112, 119, 122, 136, 158, 196, 224, 238, 244, 272, 316, 392, 427, 476, 488, 544, 553, 632, 784, 833, 854, 952, 976, 1037, 1106, 1264, 1343, 1568, 1666, 1708, 1904, 1952, 2074, 2212, 2528, 2686, 2989, 3332, 3416, 3808, 3871, 4148, 4424, 4819, 5372, 5978, 6664, 6832, 7259, 7742, 8296, 8848, 9401, 9638, 10744, 11956, 13328, 13664, 14518, 15484, 16592, 17696, 18802, 19276, 21488, 23912, 26656, 29036, 30968, 33184, 33733, 37604, 38552, 42976, 47824, 50813, 58072, 61936, 65807, 67466, 75208, 77104, 81923, 95648, 101626, 116144, 123872, 131614, 134932, 150416, 154208, 163846, 203252, 232288, 236131, 263228, 269864, 300832, 327692, 406504, 472262, 526456, 539728, 573461, 655384, 813008, 944524, 1052912, 1079456, 1146922, 1310768, 1626016, 1889048, 2105824, 2293844, 2621536, 3778096, 4014227, 4587688, 7556192, 8028454, 9175376, 16056908, 18350752, 32113816, 64227632, 128455264]

約数ペア:

[(1, 128455264), (2, 64227632), (4, 32113816), (7, 18350752), (8, 16056908), (14, 9175376), (16, 8028454), (17, 7556192), (28, 4587688), (32, 4014227), (34, 3778096), (49, 2621536), (56, 2293844), (61, 2105824), (68, 1889048), (79, 1626016), (98, 1310768), (112, 1146922), (119, 1079456), (122, 1052912), (136, 944524), (158, 813008), (196, 655384), (224, 573461), (238, 539728), (244, 526456), (272, 472262), (316, 406504), (392, 327692), (427, 300832), (476, 269864), (488, 263228), (544, 236131), (553, 232288), (632, 203252), (784, 163846), (833, 154208), (854, 150416), (952, 134932), (976, 131614), (1037, 123872), (1106, 116144), (1264, 101626), (1343, 95648), (1568, 81923), (1666, 77104), (1708, 75208), (1904, 67466), (1952, 65807), (2074, 61936), (2212, 58072), (2528, 50813), (2686, 47824), (2989, 42976), (3332, 38552), (3416, 37604), (3808, 33733), (3871, 33184), (4148, 30968), (4424, 29036), (4819, 26656), (5372, 23912), (5978, 21488), (6664, 19276), (6832, 18802), (7259, 17696), (7742, 16592), (8296, 15484), (8848, 14518), (9401, 13664), (9638, 13328), (10744, 11956)]