81348480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:541

約数の個数: 192

約数和(自身を含む): 291189600

約数和(自身を除く): 209841120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 384, 435, 464, 480, 487, 522, 576, 580, 640, 696, 720, 870, 928, 960, 974, 1044, 1152, 1160, 1305, 1392, 1440, 1461, 1740, 1856, 1920, 1948, 2088, 2320, 2435, 2610, 2784, 2880, 2922, 3480, 3712, 3896, 4176, 4383, 4640, 4870, 5220, 5568, 5760, 5844, 6960, 7305, 7792, 8352, 8766, 9280, 9740, 10440, 11136, 11688, 13920, 14123, 14610, 15584, 16704, 17532, 18560, 19480, 20880, 21915, 23376, 27840, 28246, 29220, 31168, 33408, 35064, 38960, 41760, 42369, 43830, 46752, 55680, 56492, 58440, 62336, 70128, 70615, 77920, 83520, 84738, 87660, 93504, 112984, 116880, 127107, 140256, 141230, 155840, 167040, 169476, 175320, 187008, 211845, 225968, 233760, 254214, 280512, 282460, 311680, 338952, 350640, 423690, 451936, 467520, 508428, 561024, 564920, 635535, 677904, 701280, 847380, 903872, 935040, 1016856, 1129840, 1271070, 1355808, 1402560, 1694760, 1807744, 2033712, 2259680, 2542140, 2711616, 2805120, 3389520, 4067424, 4519360, 5084280, 5423232, 6779040, 8134848, 9038720, 10168560, 13558080, 16269696, 20337120, 27116160, 40674240, 81348480]

約数ペア:

[(1, 81348480), (2, 40674240), (3, 27116160), (4, 20337120), (5, 16269696), (6, 13558080), (8, 10168560), (9, 9038720), (10, 8134848), (12, 6779040), (15, 5423232), (16, 5084280), (18, 4519360), (20, 4067424), (24, 3389520), (29, 2805120), (30, 2711616), (32, 2542140), (36, 2259680), (40, 2033712), (45, 1807744), (48, 1694760), (58, 1402560), (60, 1355808), (64, 1271070), (72, 1129840), (80, 1016856), (87, 935040), (90, 903872), (96, 847380), (116, 701280), (120, 677904), (128, 635535), (144, 564920), (145, 561024), (160, 508428), (174, 467520), (180, 451936), (192, 423690), (232, 350640), (240, 338952), (261, 311680), (288, 282460), (290, 280512), (320, 254214), (348, 233760), (360, 225968), (384, 211845), (435, 187008), (464, 175320), (480, 169476), (487, 167040), (522, 155840), (576, 141230), (580, 140256), (640, 127107), (696, 116880), (720, 112984), (870, 93504), (928, 87660), (960, 84738), (974, 83520), (1044, 77920), (1152, 70615), (1160, 70128), (1305, 62336), (1392, 58440), (1440, 56492), (1461, 55680), (1740, 46752), (1856, 43830), (1920, 42369), (1948, 41760), (2088, 38960), (2320, 35064), (2435, 33408), (2610, 31168), (2784, 29220), (2880, 28246), (2922, 27840), (3480, 23376), (3712, 21915), (3896, 20880), (4176, 19480), (4383, 18560), (4640, 17532), (4870, 16704), (5220, 15584), (5568, 14610), (5760, 14123), (5844, 13920), (6960, 11688), (7305, 11136), (7792, 10440), (8352, 9740), (8766, 9280)]