256744800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 324

約数和(自身を含む): 984991644

約数和(自身を除く): 728246844

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 169, 180, 195, 200, 208, 211, 225, 234, 240, 260, 288, 300, 312, 325, 338, 360, 390, 400, 416, 422, 450, 468, 480, 507, 520, 585, 600, 624, 633, 650, 676, 720, 780, 800, 844, 845, 900, 936, 975, 1014, 1040, 1055, 1170, 1200, 1248, 1266, 1300, 1352, 1440, 1521, 1560, 1688, 1690, 1800, 1872, 1899, 1950, 2028, 2080, 2110, 2340, 2400, 2532, 2535, 2600, 2704, 2743, 2925, 3042, 3120, 3165, 3376, 3380, 3600, 3744, 3798, 3900, 4056, 4220, 4225, 4680, 5064, 5070, 5200, 5275, 5408, 5486, 5850, 6084, 6240, 6330, 6752, 6760, 7200, 7596, 7605, 7800, 8112, 8229, 8440, 8450, 9360, 9495, 10128, 10140, 10400, 10550, 10972, 11700, 12168, 12660, 12675, 13520, 13715, 15192, 15210, 15600, 15825, 16224, 16458, 16880, 16900, 18720, 18990, 20256, 20280, 21100, 21944, 23400, 24336, 24687, 25320, 25350, 27040, 27430, 30384, 30420, 31200, 31650, 32916, 33760, 33800, 35659, 37980, 38025, 40560, 41145, 42200, 43888, 46800, 47475, 48672, 49374, 50640, 50700, 54860, 60768, 60840, 63300, 65832, 67600, 68575, 71318, 75960, 76050, 81120, 82290, 84400, 87776, 93600, 94950, 98748, 101280, 101400, 106977, 109720, 121680, 123435, 126600, 131664, 135200, 137150, 142636, 151920, 152100, 164580, 168800, 178295, 189900, 197496, 202800, 205725, 213954, 219440, 243360, 246870, 253200, 263328, 274300, 285272, 303840, 304200, 320931, 329160, 356590, 379800, 394992, 405600, 411450, 427908, 438880, 493740, 506400, 534885, 548600, 570544, 608400, 617175, 641862, 658320, 713180, 759600, 789984, 822900, 855816, 891475, 987480, 1069770, 1097200, 1141088, 1216800, 1234350, 1283724, 1316640, 1426360, 1519200, 1604655, 1645800, 1711632, 1782950, 1974960, 2139540, 2194400, 2468700, 2567448, 2674425, 2852720, 3209310, 3291600, 3423264, 3565900, 3949920, 4279080, 4937400, 5134896, 5348850, 5705440, 6418620, 6583200, 7131800, 8023275, 8558160, 9874800, 10269792, 10697700, 12837240, 14263600, 16046550, 17116320, 19749600, 21395400, 25674480, 28527200, 32093100, 42790800, 51348960, 64186200, 85581600, 128372400, 256744800]

約数ペア:

[(1, 256744800), (2, 128372400), (3, 85581600), (4, 64186200), (5, 51348960), (6, 42790800), (8, 32093100), (9, 28527200), (10, 25674480), (12, 21395400), (13, 19749600), (15, 17116320), (16, 16046550), (18, 14263600), (20, 12837240), (24, 10697700), (25, 10269792), (26, 9874800), (30, 8558160), (32, 8023275), (36, 7131800), (39, 6583200), (40, 6418620), (45, 5705440), (48, 5348850), (50, 5134896), (52, 4937400), (60, 4279080), (65, 3949920), (72, 3565900), (75, 3423264), (78, 3291600), (80, 3209310), (90, 2852720), (96, 2674425), (100, 2567448), (104, 2468700), (117, 2194400), (120, 2139540), (130, 1974960), (144, 1782950), (150, 1711632), (156, 1645800), (160, 1604655), (169, 1519200), (180, 1426360), (195, 1316640), (200, 1283724), (208, 1234350), (211, 1216800), (225, 1141088), (234, 1097200), (240, 1069770), (260, 987480), (288, 891475), (300, 855816), (312, 822900), (325, 789984), (338, 759600), (360, 713180), (390, 658320), (400, 641862), (416, 617175), (422, 608400), (450, 570544), (468, 548600), (480, 534885), (507, 506400), (520, 493740), (585, 438880), (600, 427908), (624, 411450), (633, 405600), (650, 394992), (676, 379800), (720, 356590), (780, 329160), (800, 320931), (844, 304200), (845, 303840), (900, 285272), (936, 274300), (975, 263328), (1014, 253200), (1040, 246870), (1055, 243360), (1170, 219440), (1200, 213954), (1248, 205725), (1266, 202800), (1300, 197496), (1352, 189900), (1440, 178295), (1521, 168800), (1560, 164580), (1688, 152100), (1690, 151920), (1800, 142636), (1872, 137150), (1899, 135200), (1950, 131664), (2028, 126600), (2080, 123435), (2110, 121680), (2340, 109720), (2400, 106977), (2532, 101400), (2535, 101280), (2600, 98748), (2704, 94950), (2743, 93600), (2925, 87776), (3042, 84400), (3120, 82290), (3165, 81120), (3376, 76050), (3380, 75960), (3600, 71318), (3744, 68575), (3798, 67600), (3900, 65832), (4056, 63300), (4220, 60840), (4225, 60768), (4680, 54860), (5064, 50700), (5070, 50640), (5200, 49374), (5275, 48672), (5408, 47475), (5486, 46800), (5850, 43888), (6084, 42200), (6240, 41145), (6330, 40560), (6752, 38025), (6760, 37980), (7200, 35659), (7596, 33800), (7605, 33760), (7800, 32916), (8112, 31650), (8229, 31200), (8440, 30420), (8450, 30384), (9360, 27430), (9495, 27040), (10128, 25350), (10140, 25320), (10400, 24687), (10550, 24336), (10972, 23400), (11700, 21944), (12168, 21100), (12660, 20280), (12675, 20256), (13520, 18990), (13715, 18720), (15192, 16900), (15210, 16880), (15600, 16458), (15825, 16224)]