1977697280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:772

約数の個数: 176

約数和(自身を含む): 5235472704

約数和(自身を除く): 3257775424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 208, 215, 256, 260, 320, 344, 416, 430, 512, 520, 559, 640, 688, 691, 832, 860, 1024, 1040, 1118, 1280, 1376, 1382, 1664, 1720, 2080, 2236, 2560, 2752, 2764, 2795, 3328, 3440, 3455, 4160, 4472, 5120, 5504, 5528, 5590, 6656, 6880, 6910, 8320, 8944, 8983, 11008, 11056, 11180, 13312, 13760, 13820, 16640, 17888, 17966, 22016, 22112, 22360, 27520, 27640, 29713, 33280, 35776, 35932, 44032, 44224, 44720, 44915, 55040, 55280, 59426, 66560, 71552, 71864, 88448, 89440, 89830, 110080, 110560, 118852, 143104, 143728, 148565, 176896, 178880, 179660, 220160, 221120, 237704, 286208, 287456, 297130, 353792, 357760, 359320, 386269, 442240, 475408, 572416, 574912, 594260, 707584, 715520, 718640, 772538, 884480, 950816, 1149824, 1188520, 1431040, 1437280, 1545076, 1768960, 1901632, 1931345, 2299648, 2377040, 2862080, 2874560, 3090152, 3537920, 3803264, 3862690, 4599296, 4754080, 5749120, 6180304, 7606528, 7725380, 9198592, 9508160, 11498240, 12360608, 15213056, 15450760, 19016320, 22996480, 24721216, 30426112, 30901520, 38032640, 45992960, 49442432, 61803040, 76065280, 98884864, 123606080, 152130560, 197769728, 247212160, 395539456, 494424320, 988848640, 1977697280]

約数ペア:

[(1, 1977697280), (2, 988848640), (4, 494424320), (5, 395539456), (8, 247212160), (10, 197769728), (13, 152130560), (16, 123606080), (20, 98884864), (26, 76065280), (32, 61803040), (40, 49442432), (43, 45992960), (52, 38032640), (64, 30901520), (65, 30426112), (80, 24721216), (86, 22996480), (104, 19016320), (128, 15450760), (130, 15213056), (160, 12360608), (172, 11498240), (208, 9508160), (215, 9198592), (256, 7725380), (260, 7606528), (320, 6180304), (344, 5749120), (416, 4754080), (430, 4599296), (512, 3862690), (520, 3803264), (559, 3537920), (640, 3090152), (688, 2874560), (691, 2862080), (832, 2377040), (860, 2299648), (1024, 1931345), (1040, 1901632), (1118, 1768960), (1280, 1545076), (1376, 1437280), (1382, 1431040), (1664, 1188520), (1720, 1149824), (2080, 950816), (2236, 884480), (2560, 772538), (2752, 718640), (2764, 715520), (2795, 707584), (3328, 594260), (3440, 574912), (3455, 572416), (4160, 475408), (4472, 442240), (5120, 386269), (5504, 359320), (5528, 357760), (5590, 353792), (6656, 297130), (6880, 287456), (6910, 286208), (8320, 237704), (8944, 221120), (8983, 220160), (11008, 179660), (11056, 178880), (11180, 176896), (13312, 148565), (13760, 143728), (13820, 143104), (16640, 118852), (17888, 110560), (17966, 110080), (22016, 89830), (22112, 89440), (22360, 88448), (27520, 71864), (27640, 71552), (29713, 66560), (33280, 59426), (35776, 55280), (35932, 55040), (44032, 44915), (44224, 44720)]