257474880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2$

素因数の和:95

約数の個数: 378

約数和(自身を含む): 1002477294

約数和(自身を除く): 745002414

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 64, 65, 69, 72, 78, 80, 90, 92, 96, 104, 115, 117, 120, 130, 138, 144, 156, 160, 169, 180, 184, 192, 195, 207, 208, 230, 234, 240, 260, 276, 288, 299, 312, 320, 338, 345, 360, 368, 390, 414, 416, 460, 468, 480, 507, 520, 529, 552, 576, 585, 598, 624, 676, 690, 720, 736, 780, 828, 832, 845, 897, 920, 936, 960, 1014, 1035, 1040, 1058, 1104, 1170, 1196, 1248, 1352, 1380, 1440, 1472, 1495, 1521, 1560, 1587, 1656, 1690, 1794, 1840, 1872, 2028, 2070, 2080, 2116, 2208, 2340, 2392, 2496, 2535, 2645, 2691, 2704, 2760, 2880, 2990, 3042, 3120, 3174, 3312, 3380, 3588, 3680, 3744, 3887, 4056, 4140, 4160, 4232, 4416, 4485, 4680, 4761, 4784, 5070, 5290, 5382, 5408, 5520, 5980, 6084, 6240, 6348, 6624, 6760, 6877, 7176, 7360, 7488, 7605, 7774, 7935, 8112, 8280, 8464, 8970, 9360, 9522, 9568, 10140, 10580, 10764, 10816, 11040, 11661, 11960, 12168, 12480, 12696, 13248, 13455, 13520, 13754, 14352, 15210, 15548, 15870, 16224, 16560, 16928, 17940, 18720, 19044, 19136, 19435, 20280, 20631, 21160, 21528, 22080, 23322, 23805, 23920, 24336, 25392, 26910, 27040, 27508, 28704, 30420, 31096, 31740, 32448, 33120, 33856, 34385, 34983, 35880, 37440, 38088, 38870, 40560, 41262, 42320, 43056, 46644, 47610, 47840, 48672, 50784, 53820, 54080, 55016, 57408, 58305, 60840, 61893, 62192, 63480, 66240, 68770, 69966, 71760, 76176, 77740, 81120, 82524, 84640, 86112, 89401, 93288, 95220, 95680, 97344, 101568, 103155, 107640, 110032, 116610, 121680, 123786, 124384, 126960, 137540, 139932, 143520, 152352, 155480, 162240, 165048, 169280, 172224, 174915, 178802, 186576, 190440, 206310, 215280, 220064, 233220, 243360, 247572, 248768, 253920, 268203, 275080, 279864, 287040, 304704, 309465, 310960, 330096, 349830, 357604, 373152, 380880, 412620, 430560, 440128, 447005, 466440, 486720, 495144, 507840, 536406, 550160, 559728, 618930, 621920, 660192, 699660, 715208, 746304, 761760, 804609, 825240, 861120, 894010, 932880, 990288, 1072812, 1100320, 1119456, 1237860, 1243840, 1320384, 1341015, 1399320, 1430416, 1523520, 1609218, 1650480, 1788020, 1865760, 1980576, 2145624, 2200640, 2238912, 2475720, 2682030, 2798640, 2860832, 3218436, 3300960, 3576040, 3731520, 3961152, 4023045, 4291248, 4951440, 5364060, 5597280, 5721664, 6436872, 6601920, 7152080, 8046090, 8582496, 9902880, 10728120, 11194560, 12873744, 14304160, 16092180, 17164992, 19805760, 21456240, 25747488, 28608320, 32184360, 42912480, 51494976, 64368720, 85824960, 128737440, 257474880]

約数ペア:

[(1, 257474880), (2, 128737440), (3, 85824960), (4, 64368720), (5, 51494976), (6, 42912480), (8, 32184360), (9, 28608320), (10, 25747488), (12, 21456240), (13, 19805760), (15, 17164992), (16, 16092180), (18, 14304160), (20, 12873744), (23, 11194560), (24, 10728120), (26, 9902880), (30, 8582496), (32, 8046090), (36, 7152080), (39, 6601920), (40, 6436872), (45, 5721664), (46, 5597280), (48, 5364060), (52, 4951440), (60, 4291248), (64, 4023045), (65, 3961152), (69, 3731520), (72, 3576040), (78, 3300960), (80, 3218436), (90, 2860832), (92, 2798640), (96, 2682030), (104, 2475720), (115, 2238912), (117, 2200640), (120, 2145624), (130, 1980576), (138, 1865760), (144, 1788020), (156, 1650480), (160, 1609218), (169, 1523520), (180, 1430416), (184, 1399320), (192, 1341015), (195, 1320384), (207, 1243840), (208, 1237860), (230, 1119456), (234, 1100320), (240, 1072812), (260, 990288), (276, 932880), (288, 894010), (299, 861120), (312, 825240), (320, 804609), (338, 761760), (345, 746304), (360, 715208), (368, 699660), (390, 660192), (414, 621920), (416, 618930), (460, 559728), (468, 550160), (480, 536406), (507, 507840), (520, 495144), (529, 486720), (552, 466440), (576, 447005), (585, 440128), (598, 430560), (624, 412620), (676, 380880), (690, 373152), (720, 357604), (736, 349830), (780, 330096), (828, 310960), (832, 309465), (845, 304704), (897, 287040), (920, 279864), (936, 275080), (960, 268203), (1014, 253920), (1035, 248768), (1040, 247572), (1058, 243360), (1104, 233220), (1170, 220064), (1196, 215280), (1248, 206310), (1352, 190440), (1380, 186576), (1440, 178802), (1472, 174915), (1495, 172224), (1521, 169280), (1560, 165048), (1587, 162240), (1656, 155480), (1690, 152352), (1794, 143520), (1840, 139932), (1872, 137540), (2028, 126960), (2070, 124384), (2080, 123786), (2116, 121680), (2208, 116610), (2340, 110032), (2392, 107640), (2496, 103155), (2535, 101568), (2645, 97344), (2691, 95680), (2704, 95220), (2760, 93288), (2880, 89401), (2990, 86112), (3042, 84640), (3120, 82524), (3174, 81120), (3312, 77740), (3380, 76176), (3588, 71760), (3680, 69966), (3744, 68770), (3887, 66240), (4056, 63480), (4140, 62192), (4160, 61893), (4232, 60840), (4416, 58305), (4485, 57408), (4680, 55016), (4761, 54080), (4784, 53820), (5070, 50784), (5290, 48672), (5382, 47840), (5408, 47610), (5520, 46644), (5980, 43056), (6084, 42320), (6240, 41262), (6348, 40560), (6624, 38870), (6760, 38088), (6877, 37440), (7176, 35880), (7360, 34983), (7488, 34385), (7605, 33856), (7774, 33120), (7935, 32448), (8112, 31740), (8280, 31096), (8464, 30420), (8970, 28704), (9360, 27508), (9522, 27040), (9568, 26910), (10140, 25392), (10580, 24336), (10764, 23920), (10816, 23805), (11040, 23322), (11661, 22080), (11960, 21528), (12168, 21160), (12480, 20631), (12696, 20280), (13248, 19435), (13455, 19136), (13520, 19044), (13754, 18720), (14352, 17940), (15210, 16928), (15548, 16560), (15870, 16224)]