668766720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:163

約数の個数: 240

約数和(自身を含む): 2249356032

約数和(自身を除く): 1580589312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 64, 80, 93, 96, 106, 120, 124, 128, 155, 159, 160, 186, 192, 212, 240, 248, 256, 265, 310, 318, 320, 372, 384, 424, 465, 480, 496, 512, 530, 620, 636, 640, 744, 768, 795, 848, 930, 960, 992, 1060, 1240, 1272, 1280, 1488, 1536, 1590, 1643, 1696, 1860, 1920, 1984, 2120, 2480, 2544, 2560, 2809, 2976, 3180, 3286, 3392, 3720, 3840, 3968, 4240, 4929, 4960, 5088, 5618, 5952, 6360, 6572, 6784, 7440, 7680, 7936, 8215, 8427, 8480, 9858, 9920, 10176, 11236, 11904, 12720, 13144, 13568, 14045, 14880, 15872, 16430, 16854, 16960, 19716, 19840, 20352, 22472, 23808, 24645, 25440, 26288, 27136, 28090, 29760, 32860, 33708, 33920, 39432, 39680, 40704, 42135, 44944, 47616, 49290, 50880, 52576, 56180, 59520, 65720, 67416, 67840, 78864, 79360, 81408, 84270, 87079, 89888, 98580, 101760, 105152, 112360, 119040, 131440, 134832, 135680, 157728, 168540, 174158, 179776, 197160, 203520, 210304, 224720, 238080, 261237, 262880, 269664, 315456, 337080, 348316, 359552, 394320, 407040, 420608, 435395, 449440, 522474, 525760, 539328, 630912, 674160, 696632, 719104, 788640, 841216, 870790, 898880, 1044948, 1051520, 1078656, 1261824, 1306185, 1348320, 1393264, 1438208, 1577280, 1741580, 1797760, 2089896, 2103040, 2157312, 2523648, 2612370, 2696640, 2786528, 3154560, 3483160, 3595520, 4179792, 4206080, 4314624, 5224740, 5393280, 5573056, 6309120, 6966320, 7191040, 8359584, 10449480, 10786560, 11146112, 12618240, 13932640, 16719168, 20898960, 21573120, 22292224, 27865280, 33438336, 41797920, 44584448, 55730560, 66876672, 83595840, 111461120, 133753344, 167191680, 222922240, 334383360, 668766720]

約数ペア:

[(1, 668766720), (2, 334383360), (3, 222922240), (4, 167191680), (5, 133753344), (6, 111461120), (8, 83595840), (10, 66876672), (12, 55730560), (15, 44584448), (16, 41797920), (20, 33438336), (24, 27865280), (30, 22292224), (31, 21573120), (32, 20898960), (40, 16719168), (48, 13932640), (53, 12618240), (60, 11146112), (62, 10786560), (64, 10449480), (80, 8359584), (93, 7191040), (96, 6966320), (106, 6309120), (120, 5573056), (124, 5393280), (128, 5224740), (155, 4314624), (159, 4206080), (160, 4179792), (186, 3595520), (192, 3483160), (212, 3154560), (240, 2786528), (248, 2696640), (256, 2612370), (265, 2523648), (310, 2157312), (318, 2103040), (320, 2089896), (372, 1797760), (384, 1741580), (424, 1577280), (465, 1438208), (480, 1393264), (496, 1348320), (512, 1306185), (530, 1261824), (620, 1078656), (636, 1051520), (640, 1044948), (744, 898880), (768, 870790), (795, 841216), (848, 788640), (930, 719104), (960, 696632), (992, 674160), (1060, 630912), (1240, 539328), (1272, 525760), (1280, 522474), (1488, 449440), (1536, 435395), (1590, 420608), (1643, 407040), (1696, 394320), (1860, 359552), (1920, 348316), (1984, 337080), (2120, 315456), (2480, 269664), (2544, 262880), (2560, 261237), (2809, 238080), (2976, 224720), (3180, 210304), (3286, 203520), (3392, 197160), (3720, 179776), (3840, 174158), (3968, 168540), (4240, 157728), (4929, 135680), (4960, 134832), (5088, 131440), (5618, 119040), (5952, 112360), (6360, 105152), (6572, 101760), (6784, 98580), (7440, 89888), (7680, 87079), (7936, 84270), (8215, 81408), (8427, 79360), (8480, 78864), (9858, 67840), (9920, 67416), (10176, 65720), (11236, 59520), (11904, 56180), (12720, 52576), (13144, 50880), (13568, 49290), (14045, 47616), (14880, 44944), (15872, 42135), (16430, 40704), (16854, 39680), (16960, 39432), (19716, 33920), (19840, 33708), (20352, 32860), (22472, 29760), (23808, 28090), (24645, 27136), (25440, 26288)]