642663360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 252

約数和(自身を含む): 2285789688

約数和(自身を除く): 1643126328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 163, 180, 185, 192, 222, 240, 288, 296, 320, 326, 333, 360, 370, 444, 480, 489, 555, 576, 592, 652, 666, 720, 740, 815, 888, 960, 978, 1110, 1184, 1304, 1332, 1369, 1440, 1467, 1480, 1630, 1665, 1776, 1956, 2220, 2368, 2445, 2608, 2664, 2738, 2880, 2934, 2960, 3260, 3330, 3552, 3912, 4107, 4440, 4890, 5216, 5328, 5476, 5868, 5920, 6031, 6520, 6660, 6845, 7104, 7335, 7824, 8214, 8880, 9780, 10432, 10656, 10952, 11736, 11840, 12062, 12321, 13040, 13320, 13690, 14670, 15648, 16428, 17760, 18093, 19560, 20535, 21312, 21904, 23472, 24124, 24642, 26080, 26640, 27380, 29340, 30155, 31296, 32856, 35520, 36186, 39120, 41070, 43808, 46944, 48248, 49284, 52160, 53280, 54279, 54760, 58680, 60310, 61605, 65712, 72372, 78240, 82140, 87616, 90465, 93888, 96496, 98568, 106560, 108558, 109520, 117360, 120620, 123210, 131424, 144744, 156480, 164280, 180930, 192992, 197136, 217116, 219040, 223147, 234720, 241240, 246420, 262848, 271395, 289488, 328560, 361860, 385984, 394272, 434232, 438080, 446294, 469440, 482480, 492840, 542790, 578976, 657120, 669441, 723720, 788544, 868464, 892588, 964960, 985680, 1085580, 1115735, 1157952, 1314240, 1338882, 1447440, 1736928, 1785176, 1929920, 1971360, 2008323, 2171160, 2231470, 2677764, 2894880, 3347205, 3473856, 3570352, 3942720, 4016646, 4342320, 4462940, 5355528, 5789760, 6694410, 7140704, 8033292, 8684640, 8925880, 10041615, 10711056, 13388820, 14281408, 16066584, 17369280, 17851760, 20083230, 21422112, 26777640, 32133168, 35703520, 40166460, 42844224, 53555280, 64266336, 71407040, 80332920, 107110560, 128532672, 160665840, 214221120, 321331680, 642663360]

約数ペア:

[(1, 642663360), (2, 321331680), (3, 214221120), (4, 160665840), (5, 128532672), (6, 107110560), (8, 80332920), (9, 71407040), (10, 64266336), (12, 53555280), (15, 42844224), (16, 40166460), (18, 35703520), (20, 32133168), (24, 26777640), (30, 21422112), (32, 20083230), (36, 17851760), (37, 17369280), (40, 16066584), (45, 14281408), (48, 13388820), (60, 10711056), (64, 10041615), (72, 8925880), (74, 8684640), (80, 8033292), (90, 7140704), (96, 6694410), (111, 5789760), (120, 5355528), (144, 4462940), (148, 4342320), (160, 4016646), (163, 3942720), (180, 3570352), (185, 3473856), (192, 3347205), (222, 2894880), (240, 2677764), (288, 2231470), (296, 2171160), (320, 2008323), (326, 1971360), (333, 1929920), (360, 1785176), (370, 1736928), (444, 1447440), (480, 1338882), (489, 1314240), (555, 1157952), (576, 1115735), (592, 1085580), (652, 985680), (666, 964960), (720, 892588), (740, 868464), (815, 788544), (888, 723720), (960, 669441), (978, 657120), (1110, 578976), (1184, 542790), (1304, 492840), (1332, 482480), (1369, 469440), (1440, 446294), (1467, 438080), (1480, 434232), (1630, 394272), (1665, 385984), (1776, 361860), (1956, 328560), (2220, 289488), (2368, 271395), (2445, 262848), (2608, 246420), (2664, 241240), (2738, 234720), (2880, 223147), (2934, 219040), (2960, 217116), (3260, 197136), (3330, 192992), (3552, 180930), (3912, 164280), (4107, 156480), (4440, 144744), (4890, 131424), (5216, 123210), (5328, 120620), (5476, 117360), (5868, 109520), (5920, 108558), (6031, 106560), (6520, 98568), (6660, 96496), (6845, 93888), (7104, 90465), (7335, 87616), (7824, 82140), (8214, 78240), (8880, 72372), (9780, 65712), (10432, 61605), (10656, 60310), (10952, 58680), (11736, 54760), (11840, 54279), (12062, 53280), (12321, 52160), (13040, 49284), (13320, 48248), (13690, 46944), (14670, 43808), (15648, 41070), (16428, 39120), (17760, 36186), (18093, 35520), (19560, 32856), (20535, 31296), (21312, 30155), (21904, 29340), (23472, 27380), (24124, 26640), (24642, 26080)]