81939456

素因数分解:

$2^{10}\times 3^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:566

約数の個数: 132

約数和(自身を含む): 250994952

約数和(自身を除く): 169055496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 256, 272, 288, 306, 384, 408, 512, 523, 544, 576, 612, 768, 816, 1024, 1046, 1088, 1152, 1224, 1536, 1569, 1632, 2092, 2176, 2304, 2448, 3072, 3138, 3264, 4184, 4352, 4608, 4707, 4896, 6276, 6528, 8368, 8704, 8891, 9216, 9414, 9792, 12552, 13056, 16736, 17408, 17782, 18828, 19584, 25104, 26112, 26673, 33472, 35564, 37656, 39168, 50208, 52224, 53346, 66944, 71128, 75312, 78336, 80019, 100416, 106692, 133888, 142256, 150624, 156672, 160038, 200832, 213384, 267776, 284512, 301248, 320076, 401664, 426768, 535552, 569024, 602496, 640152, 803328, 853536, 1138048, 1204992, 1280304, 1606656, 1707072, 2276096, 2409984, 2560608, 3414144, 4552192, 4819968, 5121216, 6828288, 9104384, 10242432, 13656576, 20484864, 27313152, 40969728, 81939456]

約数ペア:

[(1, 81939456), (2, 40969728), (3, 27313152), (4, 20484864), (6, 13656576), (8, 10242432), (9, 9104384), (12, 6828288), (16, 5121216), (17, 4819968), (18, 4552192), (24, 3414144), (32, 2560608), (34, 2409984), (36, 2276096), (48, 1707072), (51, 1606656), (64, 1280304), (68, 1204992), (72, 1138048), (96, 853536), (102, 803328), (128, 640152), (136, 602496), (144, 569024), (153, 535552), (192, 426768), (204, 401664), (256, 320076), (272, 301248), (288, 284512), (306, 267776), (384, 213384), (408, 200832), (512, 160038), (523, 156672), (544, 150624), (576, 142256), (612, 133888), (768, 106692), (816, 100416), (1024, 80019), (1046, 78336), (1088, 75312), (1152, 71128), (1224, 66944), (1536, 53346), (1569, 52224), (1632, 50208), (2092, 39168), (2176, 37656), (2304, 35564), (2448, 33472), (3072, 26673), (3138, 26112), (3264, 25104), (4184, 19584), (4352, 18828), (4608, 17782), (4707, 17408), (4896, 16736), (6276, 13056), (6528, 12552), (8368, 9792), (8704, 9414), (8891, 9216)]