217812480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 489285120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 359, 384, 395, 474, 480, 512, 632, 640, 718, 768, 790, 948, 960, 1077, 1185, 1264, 1280, 1436, 1536, 1580, 1795, 1896, 1920, 2154, 2370, 2528, 2560, 2872, 3160, 3590, 3792, 3840, 4308, 4740, 5056, 5385, 5744, 6320, 7180, 7584, 7680, 8616, 9480, 10112, 10770, 11488, 12640, 14360, 15168, 17232, 18960, 20224, 21540, 22976, 25280, 28361, 28720, 30336, 34464, 37920, 40448, 43080, 45952, 50560, 56722, 57440, 60672, 68928, 75840, 85083, 86160, 91904, 101120, 113444, 114880, 121344, 137856, 141805, 151680, 170166, 172320, 183808, 202240, 226888, 229760, 275712, 283610, 303360, 340332, 344640, 425415, 453776, 459520, 551424, 567220, 606720, 680664, 689280, 850830, 907552, 919040, 1134440, 1361328, 1378560, 1701660, 1815104, 2268880, 2722656, 2757120, 3403320, 3630208, 4537760, 5445312, 6806640, 7260416, 9075520, 10890624, 13613280, 14520832, 18151040, 21781248, 27226560, 36302080, 43562496, 54453120, 72604160, 108906240, 217812480]

約数ペア:

[(1, 217812480), (2, 108906240), (3, 72604160), (4, 54453120), (5, 43562496), (6, 36302080), (8, 27226560), (10, 21781248), (12, 18151040), (15, 14520832), (16, 13613280), (20, 10890624), (24, 9075520), (30, 7260416), (32, 6806640), (40, 5445312), (48, 4537760), (60, 3630208), (64, 3403320), (79, 2757120), (80, 2722656), (96, 2268880), (120, 1815104), (128, 1701660), (158, 1378560), (160, 1361328), (192, 1134440), (237, 919040), (240, 907552), (256, 850830), (316, 689280), (320, 680664), (359, 606720), (384, 567220), (395, 551424), (474, 459520), (480, 453776), (512, 425415), (632, 344640), (640, 340332), (718, 303360), (768, 283610), (790, 275712), (948, 229760), (960, 226888), (1077, 202240), (1185, 183808), (1264, 172320), (1280, 170166), (1436, 151680), (1536, 141805), (1580, 137856), (1795, 121344), (1896, 114880), (1920, 113444), (2154, 101120), (2370, 91904), (2528, 86160), (2560, 85083), (2872, 75840), (3160, 68928), (3590, 60672), (3792, 57440), (3840, 56722), (4308, 50560), (4740, 45952), (5056, 43080), (5385, 40448), (5744, 37920), (6320, 34464), (7180, 30336), (7584, 28720), (7680, 28361), (8616, 25280), (9480, 22976), (10112, 21540), (10770, 20224), (11488, 18960), (12640, 17232), (14360, 15168)]