18977280

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1$

素因数の和:386

約数の個数: 160

約数和(自身を含む): 69531264

約数和(自身を除く): 50553984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 353, 384, 420, 448, 480, 512, 560, 640, 672, 706, 768, 840, 896, 960, 1059, 1120, 1280, 1344, 1412, 1536, 1680, 1765, 1792, 1920, 2118, 2240, 2471, 2560, 2688, 2824, 3360, 3530, 3584, 3840, 4236, 4480, 4942, 5295, 5376, 5648, 6720, 7060, 7413, 7680, 8472, 8960, 9884, 10590, 10752, 11296, 12355, 13440, 14120, 14826, 16944, 17920, 19768, 21180, 22592, 24710, 26880, 28240, 29652, 33888, 37065, 39536, 42360, 45184, 49420, 53760, 56480, 59304, 67776, 74130, 79072, 84720, 90368, 98840, 112960, 118608, 135552, 148260, 158144, 169440, 180736, 197680, 225920, 237216, 271104, 296520, 316288, 338880, 395360, 451840, 474432, 542208, 593040, 632576, 677760, 790720, 903680, 948864, 1186080, 1265152, 1355520, 1581440, 1897728, 2372160, 2711040, 3162880, 3795456, 4744320, 6325760, 9488640, 18977280]

約数ペア:

[(1, 18977280), (2, 9488640), (3, 6325760), (4, 4744320), (5, 3795456), (6, 3162880), (7, 2711040), (8, 2372160), (10, 1897728), (12, 1581440), (14, 1355520), (15, 1265152), (16, 1186080), (20, 948864), (21, 903680), (24, 790720), (28, 677760), (30, 632576), (32, 593040), (35, 542208), (40, 474432), (42, 451840), (48, 395360), (56, 338880), (60, 316288), (64, 296520), (70, 271104), (80, 237216), (84, 225920), (96, 197680), (105, 180736), (112, 169440), (120, 158144), (128, 148260), (140, 135552), (160, 118608), (168, 112960), (192, 98840), (210, 90368), (224, 84720), (240, 79072), (256, 74130), (280, 67776), (320, 59304), (336, 56480), (353, 53760), (384, 49420), (420, 45184), (448, 42360), (480, 39536), (512, 37065), (560, 33888), (640, 29652), (672, 28240), (706, 26880), (768, 24710), (840, 22592), (896, 21180), (960, 19768), (1059, 17920), (1120, 16944), (1280, 14826), (1344, 14120), (1412, 13440), (1536, 12355), (1680, 11296), (1765, 10752), (1792, 10590), (1920, 9884), (2118, 8960), (2240, 8472), (2471, 7680), (2560, 7413), (2688, 7060), (2824, 6720), (3360, 5648), (3530, 5376), (3584, 5295), (3840, 4942), (4236, 4480)]