81255552

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 256

約数和(自身を含む): 272870400

約数和(自身を除く): 191614848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 37, 38, 42, 43, 48, 56, 57, 64, 74, 76, 84, 86, 96, 111, 112, 114, 128, 129, 133, 148, 152, 168, 172, 192, 222, 224, 228, 258, 259, 266, 296, 301, 304, 336, 344, 384, 399, 444, 448, 456, 516, 518, 532, 592, 602, 608, 672, 688, 703, 777, 798, 817, 888, 896, 903, 912, 1032, 1036, 1064, 1184, 1204, 1216, 1344, 1376, 1406, 1554, 1591, 1596, 1634, 1776, 1806, 1824, 2064, 2072, 2109, 2128, 2368, 2408, 2432, 2451, 2688, 2752, 2812, 3108, 3182, 3192, 3268, 3552, 3612, 3648, 4128, 4144, 4218, 4256, 4736, 4773, 4816, 4902, 4921, 5504, 5624, 5719, 6216, 6364, 6384, 6536, 7104, 7224, 7296, 8256, 8288, 8436, 8512, 9546, 9632, 9804, 9842, 11137, 11248, 11438, 12432, 12728, 12768, 13072, 14208, 14448, 14763, 16512, 16576, 16872, 17024, 17157, 19092, 19264, 19608, 19684, 22274, 22496, 22876, 24864, 25456, 25536, 26144, 28896, 29526, 30229, 33152, 33411, 33744, 34314, 38184, 38528, 39216, 39368, 44548, 44992, 45752, 49728, 50912, 51072, 52288, 57792, 59052, 60458, 66822, 67488, 68628, 76368, 78432, 78736, 89096, 89984, 90687, 91504, 99456, 101824, 104576, 115584, 118104, 120916, 133644, 134976, 137256, 152736, 156864, 157472, 178192, 181374, 183008, 203648, 211603, 236208, 241832, 267288, 269952, 274512, 305472, 313728, 314944, 356384, 362748, 366016, 423206, 472416, 483664, 534576, 549024, 610944, 629888, 634809, 712768, 725496, 732032, 846412, 944832, 967328, 1069152, 1098048, 1269618, 1425536, 1450992, 1692824, 1889664, 1934656, 2138304, 2196096, 2539236, 2901984, 3385648, 3869312, 4276608, 5078472, 5803968, 6771296, 10156944, 11607936, 13542592, 20313888, 27085184, 40627776, 81255552]

約数ペア:

[(1, 81255552), (2, 40627776), (3, 27085184), (4, 20313888), (6, 13542592), (7, 11607936), (8, 10156944), (12, 6771296), (14, 5803968), (16, 5078472), (19, 4276608), (21, 3869312), (24, 3385648), (28, 2901984), (32, 2539236), (37, 2196096), (38, 2138304), (42, 1934656), (43, 1889664), (48, 1692824), (56, 1450992), (57, 1425536), (64, 1269618), (74, 1098048), (76, 1069152), (84, 967328), (86, 944832), (96, 846412), (111, 732032), (112, 725496), (114, 712768), (128, 634809), (129, 629888), (133, 610944), (148, 549024), (152, 534576), (168, 483664), (172, 472416), (192, 423206), (222, 366016), (224, 362748), (228, 356384), (258, 314944), (259, 313728), (266, 305472), (296, 274512), (301, 269952), (304, 267288), (336, 241832), (344, 236208), (384, 211603), (399, 203648), (444, 183008), (448, 181374), (456, 178192), (516, 157472), (518, 156864), (532, 152736), (592, 137256), (602, 134976), (608, 133644), (672, 120916), (688, 118104), (703, 115584), (777, 104576), (798, 101824), (817, 99456), (888, 91504), (896, 90687), (903, 89984), (912, 89096), (1032, 78736), (1036, 78432), (1064, 76368), (1184, 68628), (1204, 67488), (1216, 66822), (1344, 60458), (1376, 59052), (1406, 57792), (1554, 52288), (1591, 51072), (1596, 50912), (1634, 49728), (1776, 45752), (1806, 44992), (1824, 44548), (2064, 39368), (2072, 39216), (2109, 38528), (2128, 38184), (2368, 34314), (2408, 33744), (2432, 33411), (2451, 33152), (2688, 30229), (2752, 29526), (2812, 28896), (3108, 26144), (3182, 25536), (3192, 25456), (3268, 24864), (3552, 22876), (3612, 22496), (3648, 22274), (4128, 19684), (4144, 19608), (4218, 19264), (4256, 19092), (4736, 17157), (4773, 17024), (4816, 16872), (4902, 16576), (4921, 16512), (5504, 14763), (5624, 14448), (5719, 14208), (6216, 13072), (6364, 12768), (6384, 12728), (6536, 12432), (7104, 11438), (7224, 11248), (7296, 11137), (8256, 9842), (8288, 9804), (8436, 9632), (8512, 9546)]