81564480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 168

約数和(自身を含む): 284024832

約数和(自身を除く): 202460352

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, 64, 72, 80, 90, 96, 120, 127, 144, 160, 180, 192, 223, 240, 254, 288, 320, 360, 381, 446, 480, 508, 576, 635, 669, 720, 762, 892, 960, 1016, 1115, 1143, 1270, 1338, 1440, 1524, 1784, 1905, 2007, 2032, 2230, 2286, 2540, 2676, 2880, 3048, 3345, 3568, 3810, 4014, 4064, 4460, 4572, 5080, 5352, 5715, 6096, 6690, 7136, 7620, 8028, 8128, 8920, 9144, 10035, 10160, 10704, 11430, 12192, 13380, 14272, 15240, 16056, 17840, 18288, 20070, 20320, 21408, 22860, 24384, 26760, 28321, 30480, 32112, 35680, 36576, 40140, 40640, 42816, 45720, 53520, 56642, 60960, 64224, 71360, 73152, 80280, 84963, 91440, 107040, 113284, 121920, 128448, 141605, 160560, 169926, 182880, 214080, 226568, 254889, 283210, 321120, 339852, 365760, 424815, 453136, 509778, 566420, 642240, 679704, 849630, 906272, 1019556, 1132840, 1274445, 1359408, 1699260, 1812544, 2039112, 2265680, 2548890, 2718816, 3398520, 4078224, 4531360, 5097780, 5437632, 6797040, 8156448, 9062720, 10195560, 13594080, 16312896, 20391120, 27188160, 40782240, 81564480]

約数ペア:

[(1, 81564480), (2, 40782240), (3, 27188160), (4, 20391120), (5, 16312896), (6, 13594080), (8, 10195560), (9, 9062720), (10, 8156448), (12, 6797040), (15, 5437632), (16, 5097780), (18, 4531360), (20, 4078224), (24, 3398520), (30, 2718816), (32, 2548890), (36, 2265680), (40, 2039112), (45, 1812544), (48, 1699260), (60, 1359408), (64, 1274445), (72, 1132840), (80, 1019556), (90, 906272), (96, 849630), (120, 679704), (127, 642240), (144, 566420), (160, 509778), (180, 453136), (192, 424815), (223, 365760), (240, 339852), (254, 321120), (288, 283210), (320, 254889), (360, 226568), (381, 214080), (446, 182880), (480, 169926), (508, 160560), (576, 141605), (635, 128448), (669, 121920), (720, 113284), (762, 107040), (892, 91440), (960, 84963), (1016, 80280), (1115, 73152), (1143, 71360), (1270, 64224), (1338, 60960), (1440, 56642), (1524, 53520), (1784, 45720), (1905, 42816), (2007, 40640), (2032, 40140), (2230, 36576), (2286, 35680), (2540, 32112), (2676, 30480), (2880, 28321), (3048, 26760), (3345, 24384), (3568, 22860), (3810, 21408), (4014, 20320), (4064, 20070), (4460, 18288), (4572, 17840), (5080, 16056), (5352, 15240), (5715, 14272), (6096, 13380), (6690, 12192), (7136, 11430), (7620, 10704), (8028, 10160), (8128, 10035), (8920, 9144)]