321765120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 432

約数和(自身を含む): 1239743232

約数和(自身を除く): 917978112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 32, 34, 36, 40, 45, 48, 51, 53, 60, 62, 64, 68, 72, 80, 85, 90, 93, 96, 102, 106, 120, 124, 128, 136, 144, 153, 155, 159, 160, 170, 180, 186, 192, 204, 212, 240, 248, 255, 256, 265, 272, 279, 288, 306, 310, 318, 320, 340, 360, 372, 384, 408, 424, 465, 477, 480, 496, 510, 527, 530, 544, 558, 576, 612, 620, 636, 640, 680, 720, 744, 765, 768, 795, 816, 848, 901, 930, 954, 960, 992, 1020, 1054, 1060, 1088, 1116, 1152, 1224, 1240, 1272, 1280, 1360, 1395, 1440, 1488, 1530, 1581, 1590, 1632, 1643, 1696, 1802, 1860, 1908, 1920, 1984, 2040, 2108, 2120, 2176, 2232, 2304, 2385, 2448, 2480, 2544, 2635, 2703, 2720, 2790, 2880, 2976, 3060, 3162, 3180, 3264, 3286, 3392, 3604, 3720, 3816, 3840, 3968, 4080, 4216, 4240, 4352, 4464, 4505, 4743, 4770, 4896, 4929, 4960, 5088, 5270, 5406, 5440, 5580, 5760, 5952, 6120, 6324, 6360, 6528, 6572, 6784, 7208, 7440, 7632, 7905, 7936, 8109, 8160, 8215, 8432, 8480, 8928, 9010, 9486, 9540, 9792, 9858, 9920, 10176, 10540, 10812, 10880, 11160, 11520, 11904, 12240, 12648, 12720, 13056, 13144, 13515, 13568, 14416, 14787, 14880, 15264, 15810, 16218, 16320, 16430, 16864, 16960, 17856, 18020, 18972, 19080, 19584, 19716, 19840, 20352, 21080, 21624, 21760, 22320, 23715, 23808, 24480, 24645, 25296, 25440, 26288, 27030, 27931, 28832, 29574, 29760, 30528, 31620, 32436, 32640, 32860, 33728, 33920, 35712, 36040, 37944, 38160, 39168, 39432, 39680, 40545, 40704, 42160, 43248, 44640, 47430, 48960, 49290, 50592, 50880, 52576, 54060, 55862, 57664, 59148, 59520, 61056, 63240, 64872, 65280, 65720, 67456, 67840, 71424, 72080, 73935, 75888, 76320, 78864, 81090, 83793, 84320, 86496, 89280, 94860, 97920, 98580, 101184, 101760, 105152, 108120, 111724, 115328, 118296, 119040, 122112, 126480, 129744, 131440, 134912, 139655, 144160, 147870, 151776, 152640, 157728, 162180, 167586, 168640, 172992, 178560, 189720, 195840, 197160, 202368, 203520, 210304, 216240, 223448, 230656, 236592, 251379, 252960, 259488, 262880, 279310, 288320, 295740, 303552, 305280, 315456, 324360, 335172, 337280, 345984, 357120, 379440, 394320, 404736, 418965, 420608, 432480, 446896, 473184, 502758, 505920, 518976, 525760, 558620, 576640, 591480, 607104, 610560, 630912, 648720, 670344, 674560, 691968, 758880, 788640, 837930, 864960, 893792, 946368, 1005516, 1011840, 1037952, 1051520, 1117240, 1153280, 1182960, 1214208, 1256895, 1261824, 1297440, 1340688, 1517760, 1577280, 1675860, 1729920, 1787584, 1892736, 2011032, 2023680, 2075904, 2103040, 2234480, 2365920, 2513790, 2594880, 2681376, 3035520, 3154560, 3351720, 3459840, 3575168, 3785472, 4022064, 4468960, 4731840, 5027580, 5189760, 5362752, 6071040, 6309120, 6703440, 7150336, 8044128, 8937920, 9463680, 10055160, 10379520, 10725504, 13406880, 16088256, 17875840, 18927360, 20110320, 21451008, 26813760, 32176512, 35751680, 40220640, 53627520, 64353024, 80441280, 107255040, 160882560, 321765120]

約数ペア:

[(1, 321765120), (2, 160882560), (3, 107255040), (4, 80441280), (5, 64353024), (6, 53627520), (8, 40220640), (9, 35751680), (10, 32176512), (12, 26813760), (15, 21451008), (16, 20110320), (17, 18927360), (18, 17875840), (20, 16088256), (24, 13406880), (30, 10725504), (31, 10379520), (32, 10055160), (34, 9463680), (36, 8937920), (40, 8044128), (45, 7150336), (48, 6703440), (51, 6309120), (53, 6071040), (60, 5362752), (62, 5189760), (64, 5027580), (68, 4731840), (72, 4468960), (80, 4022064), (85, 3785472), (90, 3575168), (93, 3459840), (96, 3351720), (102, 3154560), (106, 3035520), (120, 2681376), (124, 2594880), (128, 2513790), (136, 2365920), (144, 2234480), (153, 2103040), (155, 2075904), (159, 2023680), (160, 2011032), (170, 1892736), (180, 1787584), (186, 1729920), (192, 1675860), (204, 1577280), (212, 1517760), (240, 1340688), (248, 1297440), (255, 1261824), (256, 1256895), (265, 1214208), (272, 1182960), (279, 1153280), (288, 1117240), (306, 1051520), (310, 1037952), (318, 1011840), (320, 1005516), (340, 946368), (360, 893792), (372, 864960), (384, 837930), (408, 788640), (424, 758880), (465, 691968), (477, 674560), (480, 670344), (496, 648720), (510, 630912), (527, 610560), (530, 607104), (544, 591480), (558, 576640), (576, 558620), (612, 525760), (620, 518976), (636, 505920), (640, 502758), (680, 473184), (720, 446896), (744, 432480), (765, 420608), (768, 418965), (795, 404736), (816, 394320), (848, 379440), (901, 357120), (930, 345984), (954, 337280), (960, 335172), (992, 324360), (1020, 315456), (1054, 305280), (1060, 303552), (1088, 295740), (1116, 288320), (1152, 279310), (1224, 262880), (1240, 259488), (1272, 252960), (1280, 251379), (1360, 236592), (1395, 230656), (1440, 223448), (1488, 216240), (1530, 210304), (1581, 203520), (1590, 202368), (1632, 197160), (1643, 195840), (1696, 189720), (1802, 178560), (1860, 172992), (1908, 168640), (1920, 167586), (1984, 162180), (2040, 157728), (2108, 152640), (2120, 151776), (2176, 147870), (2232, 144160), (2304, 139655), (2385, 134912), (2448, 131440), (2480, 129744), (2544, 126480), (2635, 122112), (2703, 119040), (2720, 118296), (2790, 115328), (2880, 111724), (2976, 108120), (3060, 105152), (3162, 101760), (3180, 101184), (3264, 98580), (3286, 97920), (3392, 94860), (3604, 89280), (3720, 86496), (3816, 84320), (3840, 83793), (3968, 81090), (4080, 78864), (4216, 76320), (4240, 75888), (4352, 73935), (4464, 72080), (4505, 71424), (4743, 67840), (4770, 67456), (4896, 65720), (4929, 65280), (4960, 64872), (5088, 63240), (5270, 61056), (5406, 59520), (5440, 59148), (5580, 57664), (5760, 55862), (5952, 54060), (6120, 52576), (6324, 50880), (6360, 50592), (6528, 49290), (6572, 48960), (6784, 47430), (7208, 44640), (7440, 43248), (7632, 42160), (7905, 40704), (7936, 40545), (8109, 39680), (8160, 39432), (8215, 39168), (8432, 38160), (8480, 37944), (8928, 36040), (9010, 35712), (9486, 33920), (9540, 33728), (9792, 32860), (9858, 32640), (9920, 32436), (10176, 31620), (10540, 30528), (10812, 29760), (10880, 29574), (11160, 28832), (11520, 27931), (11904, 27030), (12240, 26288), (12648, 25440), (12720, 25296), (13056, 24645), (13144, 24480), (13515, 23808), (13568, 23715), (14416, 22320), (14787, 21760), (14880, 21624), (15264, 21080), (15810, 20352), (16218, 19840), (16320, 19716), (16430, 19584), (16864, 19080), (16960, 18972), (17856, 18020)]