217912320

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{4729}}^1$

素因数の和:4760

約数の個数: 132

約数和(自身を含む): 755220180

約数和(自身を除く): 537307860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 4729, 5120, 5760, 7680, 9216, 9458, 11520, 14187, 15360, 18916, 23040, 23645, 28374, 37832, 42561, 46080, 47290, 56748, 70935, 75664, 85122, 94580, 113496, 141870, 151328, 170244, 189160, 212805, 226992, 283740, 302656, 340488, 378320, 425610, 453984, 567480, 605312, 680976, 756640, 851220, 907968, 1134960, 1210624, 1361952, 1513280, 1702440, 1815936, 2269920, 2421248, 2723904, 3026560, 3404880, 3631872, 4539840, 4842496, 5447808, 6053120, 6809760, 7263744, 9079680, 10895616, 12106240, 13619520, 14527488, 18159360, 21791232, 24212480, 27239040, 36318720, 43582464, 54478080, 72637440, 108956160, 217912320]

約数ペア:

[(1, 217912320), (2, 108956160), (3, 72637440), (4, 54478080), (5, 43582464), (6, 36318720), (8, 27239040), (9, 24212480), (10, 21791232), (12, 18159360), (15, 14527488), (16, 13619520), (18, 12106240), (20, 10895616), (24, 9079680), (30, 7263744), (32, 6809760), (36, 6053120), (40, 5447808), (45, 4842496), (48, 4539840), (60, 3631872), (64, 3404880), (72, 3026560), (80, 2723904), (90, 2421248), (96, 2269920), (120, 1815936), (128, 1702440), (144, 1513280), (160, 1361952), (180, 1210624), (192, 1134960), (240, 907968), (256, 851220), (288, 756640), (320, 680976), (360, 605312), (384, 567480), (480, 453984), (512, 425610), (576, 378320), (640, 340488), (720, 302656), (768, 283740), (960, 226992), (1024, 212805), (1152, 189160), (1280, 170244), (1440, 151328), (1536, 141870), (1920, 113496), (2304, 94580), (2560, 85122), (2880, 75664), (3072, 70935), (3840, 56748), (4608, 47290), (4729, 46080), (5120, 42561), (5760, 37832), (7680, 28374), (9216, 23645), (9458, 23040), (11520, 18916), (14187, 15360)]