318848640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:551

約数の個数: 256

約数和(自身を含む): 1146839040

約数和(自身を除く): 827990400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 487, 496, 528, 620, 640, 660, 682, 704, 744, 880, 930, 960, 974, 992, 1023, 1056, 1240, 1320, 1364, 1408, 1461, 1488, 1705, 1760, 1860, 1920, 1948, 1984, 2046, 2112, 2435, 2480, 2640, 2728, 2922, 2976, 3410, 3520, 3720, 3896, 3968, 4092, 4224, 4870, 4960, 5115, 5280, 5357, 5456, 5844, 5952, 6820, 7040, 7305, 7440, 7792, 8184, 9740, 9920, 10230, 10560, 10714, 10912, 11688, 11904, 13640, 14610, 14880, 15097, 15584, 16071, 16368, 19480, 19840, 20460, 21120, 21428, 21824, 23376, 26785, 27280, 29220, 29760, 30194, 31168, 32142, 32736, 38960, 40920, 42856, 43648, 45291, 46752, 53570, 54560, 58440, 59520, 60388, 62336, 64284, 65472, 75485, 77920, 80355, 81840, 85712, 90582, 93504, 107140, 109120, 116880, 120776, 128568, 130944, 150970, 155840, 160710, 163680, 166067, 171424, 181164, 187008, 214280, 218240, 226455, 233760, 241552, 257136, 301940, 311680, 321420, 327360, 332134, 342848, 362328, 428560, 452910, 467520, 483104, 498201, 514272, 603880, 642840, 654720, 664268, 685696, 724656, 830335, 857120, 905820, 935040, 966208, 996402, 1028544, 1207760, 1285680, 1328536, 1449312, 1660670, 1714240, 1811640, 1932416, 1992804, 2057088, 2415520, 2491005, 2571360, 2657072, 2898624, 3321340, 3428480, 3623280, 3985608, 4831040, 4982010, 5142720, 5314144, 5797248, 6642680, 7246560, 7971216, 9662080, 9964020, 10285440, 10628288, 13285360, 14493120, 15942432, 19928040, 21256576, 26570720, 28986240, 31884864, 39856080, 53141440, 63769728, 79712160, 106282880, 159424320, 318848640]

約数ペア:

[(1, 318848640), (2, 159424320), (3, 106282880), (4, 79712160), (5, 63769728), (6, 53141440), (8, 39856080), (10, 31884864), (11, 28986240), (12, 26570720), (15, 21256576), (16, 19928040), (20, 15942432), (22, 14493120), (24, 13285360), (30, 10628288), (31, 10285440), (32, 9964020), (33, 9662080), (40, 7971216), (44, 7246560), (48, 6642680), (55, 5797248), (60, 5314144), (62, 5142720), (64, 4982010), (66, 4831040), (80, 3985608), (88, 3623280), (93, 3428480), (96, 3321340), (110, 2898624), (120, 2657072), (124, 2571360), (128, 2491005), (132, 2415520), (155, 2057088), (160, 1992804), (165, 1932416), (176, 1811640), (186, 1714240), (192, 1660670), (220, 1449312), (240, 1328536), (248, 1285680), (264, 1207760), (310, 1028544), (320, 996402), (330, 966208), (341, 935040), (352, 905820), (372, 857120), (384, 830335), (440, 724656), (465, 685696), (480, 664268), (487, 654720), (496, 642840), (528, 603880), (620, 514272), (640, 498201), (660, 483104), (682, 467520), (704, 452910), (744, 428560), (880, 362328), (930, 342848), (960, 332134), (974, 327360), (992, 321420), (1023, 311680), (1056, 301940), (1240, 257136), (1320, 241552), (1364, 233760), (1408, 226455), (1461, 218240), (1488, 214280), (1705, 187008), (1760, 181164), (1860, 171424), (1920, 166067), (1948, 163680), (1984, 160710), (2046, 155840), (2112, 150970), (2435, 130944), (2480, 128568), (2640, 120776), (2728, 116880), (2922, 109120), (2976, 107140), (3410, 93504), (3520, 90582), (3720, 85712), (3896, 81840), (3968, 80355), (4092, 77920), (4224, 75485), (4870, 65472), (4960, 64284), (5115, 62336), (5280, 60388), (5357, 59520), (5456, 58440), (5844, 54560), (5952, 53570), (6820, 46752), (7040, 45291), (7305, 43648), (7440, 42856), (7792, 40920), (8184, 38960), (9740, 32736), (9920, 32142), (10230, 31168), (10560, 30194), (10714, 29760), (10912, 29220), (11688, 27280), (11904, 26785), (13640, 23376), (14610, 21824), (14880, 21428), (15097, 21120), (15584, 20460), (16071, 19840), (16368, 19480)]