217509120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 216

約数和(自身を含む): 765273600

約数和(自身を除く): 547764480

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, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 239, 240, 256, 288, 316, 320, 360, 384, 395, 474, 478, 480, 576, 632, 640, 711, 717, 720, 768, 790, 948, 956, 960, 1152, 1185, 1195, 1264, 1280, 1422, 1434, 1440, 1580, 1896, 1912, 1920, 2151, 2304, 2370, 2390, 2528, 2844, 2868, 2880, 3160, 3555, 3585, 3792, 3824, 3840, 4302, 4740, 4780, 5056, 5688, 5736, 5760, 6320, 7110, 7170, 7584, 7648, 8604, 9480, 9560, 10112, 10755, 11376, 11472, 11520, 12640, 14220, 14340, 15168, 15296, 17208, 18881, 18960, 19120, 20224, 21510, 22752, 22944, 25280, 28440, 28680, 30336, 30592, 34416, 37762, 37920, 38240, 43020, 45504, 45888, 50560, 56643, 56880, 57360, 60672, 61184, 68832, 75524, 75840, 76480, 86040, 91008, 91776, 94405, 101120, 113286, 113760, 114720, 137664, 151048, 151680, 152960, 169929, 172080, 182016, 183552, 188810, 226572, 227520, 229440, 275328, 283215, 302096, 303360, 305920, 339858, 344160, 377620, 453144, 455040, 458880, 550656, 566430, 604192, 679716, 688320, 755240, 849645, 906288, 910080, 917760, 1132860, 1208384, 1359432, 1376640, 1510480, 1699290, 1812576, 2265720, 2416768, 2718864, 2753280, 3020960, 3398580, 3625152, 4531440, 4833536, 5437728, 6041920, 6797160, 7250304, 9062880, 10875456, 12083840, 13594320, 14500608, 18125760, 21750912, 24167680, 27188640, 36251520, 43501824, 54377280, 72503040, 108754560, 217509120]

約数ペア:

[(1, 217509120), (2, 108754560), (3, 72503040), (4, 54377280), (5, 43501824), (6, 36251520), (8, 27188640), (9, 24167680), (10, 21750912), (12, 18125760), (15, 14500608), (16, 13594320), (18, 12083840), (20, 10875456), (24, 9062880), (30, 7250304), (32, 6797160), (36, 6041920), (40, 5437728), (45, 4833536), (48, 4531440), (60, 3625152), (64, 3398580), (72, 3020960), (79, 2753280), (80, 2718864), (90, 2416768), (96, 2265720), (120, 1812576), (128, 1699290), (144, 1510480), (158, 1376640), (160, 1359432), (180, 1208384), (192, 1132860), (237, 917760), (239, 910080), (240, 906288), (256, 849645), (288, 755240), (316, 688320), (320, 679716), (360, 604192), (384, 566430), (395, 550656), (474, 458880), (478, 455040), (480, 453144), (576, 377620), (632, 344160), (640, 339858), (711, 305920), (717, 303360), (720, 302096), (768, 283215), (790, 275328), (948, 229440), (956, 227520), (960, 226572), (1152, 188810), (1185, 183552), (1195, 182016), (1264, 172080), (1280, 169929), (1422, 152960), (1434, 151680), (1440, 151048), (1580, 137664), (1896, 114720), (1912, 113760), (1920, 113286), (2151, 101120), (2304, 94405), (2370, 91776), (2390, 91008), (2528, 86040), (2844, 76480), (2868, 75840), (2880, 75524), (3160, 68832), (3555, 61184), (3585, 60672), (3792, 57360), (3824, 56880), (3840, 56643), (4302, 50560), (4740, 45888), (4780, 45504), (5056, 43020), (5688, 38240), (5736, 37920), (5760, 37762), (6320, 34416), (7110, 30592), (7170, 30336), (7584, 28680), (7648, 28440), (8604, 25280), (9480, 22944), (9560, 22752), (10112, 21510), (10755, 20224), (11376, 19120), (11472, 18960), (11520, 18881), (12640, 17208), (14220, 15296), (14340, 15168)]