1821606720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 224

約数和(自身を含む): 5942673408

約数和(自身を除く): 4121066688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 127, 134, 160, 192, 201, 223, 240, 254, 268, 320, 335, 381, 402, 446, 480, 508, 536, 635, 669, 670, 762, 804, 892, 960, 1005, 1016, 1072, 1115, 1270, 1338, 1340, 1524, 1608, 1784, 1905, 2010, 2032, 2144, 2230, 2540, 2676, 2680, 3048, 3216, 3345, 3568, 3810, 4020, 4064, 4288, 4460, 5080, 5352, 5360, 6096, 6432, 6690, 7136, 7620, 8040, 8128, 8509, 8920, 10160, 10704, 10720, 12192, 12864, 13380, 14272, 14941, 15240, 16080, 17018, 17840, 20320, 21408, 21440, 24384, 25527, 26760, 28321, 29882, 30480, 32160, 34036, 35680, 40640, 42545, 42816, 44823, 51054, 53520, 56642, 59764, 60960, 64320, 68072, 71360, 74705, 84963, 85090, 89646, 102108, 107040, 113284, 119528, 121920, 127635, 136144, 141605, 149410, 169926, 170180, 179292, 204216, 214080, 224115, 226568, 239056, 255270, 272288, 283210, 298820, 339852, 340360, 358584, 408432, 424815, 448230, 453136, 478112, 510540, 544576, 566420, 597640, 679704, 680720, 717168, 816864, 849630, 896460, 906272, 956224, 1021080, 1132840, 1195280, 1359408, 1361440, 1434336, 1633728, 1699260, 1792920, 1812544, 1897507, 2042160, 2265680, 2390560, 2718816, 2722880, 2868672, 3398520, 3585840, 3795014, 4084320, 4531360, 4781120, 5437632, 5692521, 6797040, 7171680, 7590028, 8168640, 9062720, 9487535, 11385042, 13594080, 14343360, 15180056, 18975070, 22770084, 27188160, 28462605, 30360112, 37950140, 45540168, 56925210, 60720224, 75900280, 91080336, 113850420, 121440448, 151800560, 182160672, 227700840, 303601120, 364321344, 455401680, 607202240, 910803360, 1821606720]

約数ペア:

[(1, 1821606720), (2, 910803360), (3, 607202240), (4, 455401680), (5, 364321344), (6, 303601120), (8, 227700840), (10, 182160672), (12, 151800560), (15, 121440448), (16, 113850420), (20, 91080336), (24, 75900280), (30, 60720224), (32, 56925210), (40, 45540168), (48, 37950140), (60, 30360112), (64, 28462605), (67, 27188160), (80, 22770084), (96, 18975070), (120, 15180056), (127, 14343360), (134, 13594080), (160, 11385042), (192, 9487535), (201, 9062720), (223, 8168640), (240, 7590028), (254, 7171680), (268, 6797040), (320, 5692521), (335, 5437632), (381, 4781120), (402, 4531360), (446, 4084320), (480, 3795014), (508, 3585840), (536, 3398520), (635, 2868672), (669, 2722880), (670, 2718816), (762, 2390560), (804, 2265680), (892, 2042160), (960, 1897507), (1005, 1812544), (1016, 1792920), (1072, 1699260), (1115, 1633728), (1270, 1434336), (1338, 1361440), (1340, 1359408), (1524, 1195280), (1608, 1132840), (1784, 1021080), (1905, 956224), (2010, 906272), (2032, 896460), (2144, 849630), (2230, 816864), (2540, 717168), (2676, 680720), (2680, 679704), (3048, 597640), (3216, 566420), (3345, 544576), (3568, 510540), (3810, 478112), (4020, 453136), (4064, 448230), (4288, 424815), (4460, 408432), (5080, 358584), (5352, 340360), (5360, 339852), (6096, 298820), (6432, 283210), (6690, 272288), (7136, 255270), (7620, 239056), (8040, 226568), (8128, 224115), (8509, 214080), (8920, 204216), (10160, 179292), (10704, 170180), (10720, 169926), (12192, 149410), (12864, 141605), (13380, 136144), (14272, 127635), (14941, 121920), (15240, 119528), (16080, 113284), (17018, 107040), (17840, 102108), (20320, 89646), (21408, 85090), (21440, 84963), (24384, 74705), (25527, 71360), (26760, 68072), (28321, 64320), (29882, 60960), (30480, 59764), (32160, 56642), (34036, 53520), (35680, 51054), (40640, 44823), (42545, 42816)]