247086720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 256

約数和(自身を含む): 891072000

約数和(自身を除く): 643985280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 79, 80, 90, 96, 108, 120, 128, 135, 144, 158, 160, 180, 181, 192, 216, 237, 240, 270, 288, 316, 320, 360, 362, 384, 395, 432, 474, 480, 540, 543, 576, 632, 640, 711, 720, 724, 790, 864, 905, 948, 960, 1080, 1086, 1152, 1185, 1264, 1422, 1440, 1448, 1580, 1629, 1728, 1810, 1896, 1920, 2133, 2160, 2172, 2370, 2528, 2715, 2844, 2880, 2896, 3160, 3258, 3456, 3555, 3620, 3792, 4266, 4320, 4344, 4740, 4887, 5056, 5430, 5688, 5760, 5792, 6320, 6516, 7110, 7240, 7584, 8145, 8532, 8640, 8688, 9480, 9774, 10112, 10665, 10860, 11376, 11584, 12640, 13032, 14220, 14299, 14480, 15168, 16290, 17064, 17280, 17376, 18960, 19548, 21330, 21720, 22752, 23168, 24435, 25280, 26064, 28440, 28598, 28960, 30336, 32580, 34128, 34752, 37920, 39096, 42660, 42897, 43440, 45504, 48870, 50560, 52128, 56880, 57196, 57920, 65160, 68256, 69504, 71495, 75840, 78192, 85320, 85794, 86880, 91008, 97740, 104256, 113760, 114392, 115840, 128691, 130320, 136512, 142990, 151680, 156384, 170640, 171588, 173760, 195480, 208512, 214485, 227520, 228784, 257382, 260640, 273024, 285980, 312768, 341280, 343176, 347520, 386073, 390960, 428970, 455040, 457568, 514764, 521280, 571960, 625536, 643455, 682560, 686352, 772146, 781920, 857940, 915136, 1029528, 1042560, 1143920, 1286910, 1365120, 1372704, 1544292, 1563840, 1715880, 1830272, 1930365, 2059056, 2287840, 2573820, 2745408, 3088584, 3127680, 3431760, 3860730, 4118112, 4575680, 5147640, 5490816, 6177168, 6863520, 7721460, 8236224, 9151360, 10295280, 12354336, 13727040, 15442920, 16472448, 20590560, 24708672, 27454080, 30885840, 41181120, 49417344, 61771680, 82362240, 123543360, 247086720]

約数ペア:

[(1, 247086720), (2, 123543360), (3, 82362240), (4, 61771680), (5, 49417344), (6, 41181120), (8, 30885840), (9, 27454080), (10, 24708672), (12, 20590560), (15, 16472448), (16, 15442920), (18, 13727040), (20, 12354336), (24, 10295280), (27, 9151360), (30, 8236224), (32, 7721460), (36, 6863520), (40, 6177168), (45, 5490816), (48, 5147640), (54, 4575680), (60, 4118112), (64, 3860730), (72, 3431760), (79, 3127680), (80, 3088584), (90, 2745408), (96, 2573820), (108, 2287840), (120, 2059056), (128, 1930365), (135, 1830272), (144, 1715880), (158, 1563840), (160, 1544292), (180, 1372704), (181, 1365120), (192, 1286910), (216, 1143920), (237, 1042560), (240, 1029528), (270, 915136), (288, 857940), (316, 781920), (320, 772146), (360, 686352), (362, 682560), (384, 643455), (395, 625536), (432, 571960), (474, 521280), (480, 514764), (540, 457568), (543, 455040), (576, 428970), (632, 390960), (640, 386073), (711, 347520), (720, 343176), (724, 341280), (790, 312768), (864, 285980), (905, 273024), (948, 260640), (960, 257382), (1080, 228784), (1086, 227520), (1152, 214485), (1185, 208512), (1264, 195480), (1422, 173760), (1440, 171588), (1448, 170640), (1580, 156384), (1629, 151680), (1728, 142990), (1810, 136512), (1896, 130320), (1920, 128691), (2133, 115840), (2160, 114392), (2172, 113760), (2370, 104256), (2528, 97740), (2715, 91008), (2844, 86880), (2880, 85794), (2896, 85320), (3160, 78192), (3258, 75840), (3456, 71495), (3555, 69504), (3620, 68256), (3792, 65160), (4266, 57920), (4320, 57196), (4344, 56880), (4740, 52128), (4887, 50560), (5056, 48870), (5430, 45504), (5688, 43440), (5760, 42897), (5792, 42660), (6320, 39096), (6516, 37920), (7110, 34752), (7240, 34128), (7584, 32580), (8145, 30336), (8532, 28960), (8640, 28598), (8688, 28440), (9480, 26064), (9774, 25280), (10112, 24435), (10665, 23168), (10860, 22752), (11376, 21720), (11584, 21330), (12640, 19548), (13032, 18960), (14220, 17376), (14299, 17280), (14480, 17064), (15168, 16290)]