128371680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:633

約数の個数: 144

約数和(自身を含む): 441080640

約数和(自身を除く): 312708960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 239, 240, 288, 360, 373, 478, 480, 717, 720, 746, 956, 1119, 1195, 1434, 1440, 1492, 1865, 1912, 2151, 2238, 2390, 2868, 2984, 3357, 3585, 3730, 3824, 4302, 4476, 4780, 5595, 5736, 5968, 6714, 7170, 7460, 7648, 8604, 8952, 9560, 10755, 11190, 11472, 11936, 13428, 14340, 14920, 16785, 17208, 17904, 19120, 21510, 22380, 22944, 26856, 28680, 29840, 33570, 34416, 35808, 38240, 43020, 44760, 53712, 57360, 59680, 67140, 68832, 86040, 89147, 89520, 107424, 114720, 134280, 172080, 178294, 179040, 267441, 268560, 344160, 356588, 445735, 534882, 537120, 713176, 802323, 891470, 1069764, 1337205, 1426352, 1604646, 1782940, 2139528, 2674410, 2852704, 3209292, 3565880, 4011615, 4279056, 5348820, 6418584, 7131760, 8023230, 8558112, 10697640, 12837168, 14263520, 16046460, 21395280, 25674336, 32092920, 42790560, 64185840, 128371680]

約数ペア:

[(1, 128371680), (2, 64185840), (3, 42790560), (4, 32092920), (5, 25674336), (6, 21395280), (8, 16046460), (9, 14263520), (10, 12837168), (12, 10697640), (15, 8558112), (16, 8023230), (18, 7131760), (20, 6418584), (24, 5348820), (30, 4279056), (32, 4011615), (36, 3565880), (40, 3209292), (45, 2852704), (48, 2674410), (60, 2139528), (72, 1782940), (80, 1604646), (90, 1426352), (96, 1337205), (120, 1069764), (144, 891470), (160, 802323), (180, 713176), (239, 537120), (240, 534882), (288, 445735), (360, 356588), (373, 344160), (478, 268560), (480, 267441), (717, 179040), (720, 178294), (746, 172080), (956, 134280), (1119, 114720), (1195, 107424), (1434, 89520), (1440, 89147), (1492, 86040), (1865, 68832), (1912, 67140), (2151, 59680), (2238, 57360), (2390, 53712), (2868, 44760), (2984, 43020), (3357, 38240), (3585, 35808), (3730, 34416), (3824, 33570), (4302, 29840), (4476, 28680), (4780, 26856), (5595, 22944), (5736, 22380), (5968, 21510), (6714, 19120), (7170, 17904), (7460, 17208), (7648, 16785), (8604, 14920), (8952, 14340), (9560, 13428), (10755, 11936), (11190, 11472)]