687242880

素因数分解:

$2^7\times 3^7\times 5^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 256

約数和(自身を含む): 2469052800

約数和(自身を除く): 1781809920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 491, 540, 576, 640, 648, 720, 729, 810, 864, 960, 972, 982, 1080, 1152, 1215, 1296, 1440, 1458, 1473, 1620, 1728, 1920, 1944, 1964, 2160, 2187, 2430, 2455, 2592, 2880, 2916, 2946, 3240, 3456, 3645, 3888, 3928, 4320, 4374, 4419, 4860, 4910, 5184, 5760, 5832, 5892, 6480, 7290, 7365, 7776, 7856, 8640, 8748, 8838, 9720, 9820, 10368, 10935, 11664, 11784, 12960, 13257, 14580, 14730, 15552, 15712, 17280, 17496, 17676, 19440, 19640, 21870, 22095, 23328, 23568, 25920, 26514, 29160, 29460, 31104, 31424, 34992, 35352, 38880, 39280, 39771, 43740, 44190, 46656, 47136, 51840, 53028, 58320, 58920, 62848, 66285, 69984, 70704, 77760, 78560, 79542, 87480, 88380, 93312, 94272, 106056, 116640, 117840, 119313, 132570, 139968, 141408, 155520, 157120, 159084, 174960, 176760, 188544, 198855, 212112, 233280, 235680, 238626, 265140, 279936, 282816, 314240, 318168, 349920, 353520, 357939, 397710, 424224, 466560, 471360, 477252, 530280, 565632, 596565, 636336, 699840, 707040, 715878, 795420, 848448, 942720, 954504, 1060560, 1073817, 1193130, 1272672, 1399680, 1414080, 1431756, 1590840, 1696896, 1789695, 1909008, 2121120, 2147634, 2386260, 2545344, 2828160, 2863512, 3181680, 3579390, 3818016, 4242240, 4295268, 4772520, 5090688, 5369085, 5727024, 6363360, 7158780, 7636032, 8484480, 8590536, 9545040, 10738170, 11454048, 12726720, 14317560, 15272064, 17181072, 19090080, 21476340, 22908096, 25453440, 28635120, 34362144, 38180160, 42952680, 45816192, 57270240, 68724288, 76360320, 85905360, 114540480, 137448576, 171810720, 229080960, 343621440, 687242880]

約数ペア:

[(1, 687242880), (2, 343621440), (3, 229080960), (4, 171810720), (5, 137448576), (6, 114540480), (8, 85905360), (9, 76360320), (10, 68724288), (12, 57270240), (15, 45816192), (16, 42952680), (18, 38180160), (20, 34362144), (24, 28635120), (27, 25453440), (30, 22908096), (32, 21476340), (36, 19090080), (40, 17181072), (45, 15272064), (48, 14317560), (54, 12726720), (60, 11454048), (64, 10738170), (72, 9545040), (80, 8590536), (81, 8484480), (90, 7636032), (96, 7158780), (108, 6363360), (120, 5727024), (128, 5369085), (135, 5090688), (144, 4772520), (160, 4295268), (162, 4242240), (180, 3818016), (192, 3579390), (216, 3181680), (240, 2863512), (243, 2828160), (270, 2545344), (288, 2386260), (320, 2147634), (324, 2121120), (360, 1909008), (384, 1789695), (405, 1696896), (432, 1590840), (480, 1431756), (486, 1414080), (491, 1399680), (540, 1272672), (576, 1193130), (640, 1073817), (648, 1060560), (720, 954504), (729, 942720), (810, 848448), (864, 795420), (960, 715878), (972, 707040), (982, 699840), (1080, 636336), (1152, 596565), (1215, 565632), (1296, 530280), (1440, 477252), (1458, 471360), (1473, 466560), (1620, 424224), (1728, 397710), (1920, 357939), (1944, 353520), (1964, 349920), (2160, 318168), (2187, 314240), (2430, 282816), (2455, 279936), (2592, 265140), (2880, 238626), (2916, 235680), (2946, 233280), (3240, 212112), (3456, 198855), (3645, 188544), (3888, 176760), (3928, 174960), (4320, 159084), (4374, 157120), (4419, 155520), (4860, 141408), (4910, 139968), (5184, 132570), (5760, 119313), (5832, 117840), (5892, 116640), (6480, 106056), (7290, 94272), (7365, 93312), (7776, 88380), (7856, 87480), (8640, 79542), (8748, 78560), (8838, 77760), (9720, 70704), (9820, 69984), (10368, 66285), (10935, 62848), (11664, 58920), (11784, 58320), (12960, 53028), (13257, 51840), (14580, 47136), (14730, 46656), (15552, 44190), (15712, 43740), (17280, 39771), (17496, 39280), (17676, 38880), (19440, 35352), (19640, 34992), (21870, 31424), (22095, 31104), (23328, 29460), (23568, 29160), (25920, 26514)]