128901888

素因数分解:

$2^8\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1139

約数の個数: 144

約数和(自身を含む): 403976160

約数和(自身を除く): 275074272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 144, 153, 192, 204, 216, 256, 272, 288, 306, 384, 408, 432, 459, 544, 576, 612, 768, 816, 864, 918, 1088, 1097, 1152, 1224, 1632, 1728, 1836, 2176, 2194, 2304, 2448, 3264, 3291, 3456, 3672, 4352, 4388, 4896, 6528, 6582, 6912, 7344, 8776, 9792, 9873, 13056, 13164, 14688, 17552, 18649, 19584, 19746, 26328, 29376, 29619, 35104, 37298, 39168, 39492, 52656, 55947, 58752, 59238, 70208, 74596, 78984, 105312, 111894, 117504, 118476, 140416, 149192, 157968, 167841, 210624, 223788, 236952, 280832, 298384, 315936, 335682, 421248, 447576, 473904, 503523, 596768, 631872, 671364, 842496, 895152, 947808, 1007046, 1193536, 1263744, 1342728, 1790304, 1895616, 2014092, 2387072, 2527488, 2685456, 3580608, 3791232, 4028184, 4774144, 5370912, 7161216, 7582464, 8056368, 10741824, 14322432, 16112736, 21483648, 32225472, 42967296, 64450944, 128901888]

約数ペア:

[(1, 128901888), (2, 64450944), (3, 42967296), (4, 32225472), (6, 21483648), (8, 16112736), (9, 14322432), (12, 10741824), (16, 8056368), (17, 7582464), (18, 7161216), (24, 5370912), (27, 4774144), (32, 4028184), (34, 3791232), (36, 3580608), (48, 2685456), (51, 2527488), (54, 2387072), (64, 2014092), (68, 1895616), (72, 1790304), (96, 1342728), (102, 1263744), (108, 1193536), (128, 1007046), (136, 947808), (144, 895152), (153, 842496), (192, 671364), (204, 631872), (216, 596768), (256, 503523), (272, 473904), (288, 447576), (306, 421248), (384, 335682), (408, 315936), (432, 298384), (459, 280832), (544, 236952), (576, 223788), (612, 210624), (768, 167841), (816, 157968), (864, 149192), (918, 140416), (1088, 118476), (1097, 117504), (1152, 111894), (1224, 105312), (1632, 78984), (1728, 74596), (1836, 70208), (2176, 59238), (2194, 58752), (2304, 55947), (2448, 52656), (3264, 39492), (3291, 39168), (3456, 37298), (3672, 35104), (4352, 29619), (4388, 29376), (4896, 26328), (6528, 19746), (6582, 19584), (6912, 18649), (7344, 17552), (8776, 14688), (9792, 13164), (9873, 13056)]