642520320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 288

約数和(自身を含む): 2256772224

約数和(自身を除く): 1614251904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 61, 64, 65, 78, 80, 96, 104, 120, 122, 128, 130, 156, 160, 183, 192, 195, 208, 211, 240, 244, 256, 260, 305, 312, 320, 366, 384, 390, 416, 422, 480, 488, 520, 610, 624, 633, 640, 732, 768, 780, 793, 832, 844, 915, 960, 976, 1040, 1055, 1220, 1248, 1266, 1280, 1464, 1560, 1586, 1664, 1688, 1830, 1920, 1952, 2080, 2110, 2379, 2440, 2496, 2532, 2743, 2928, 3120, 3165, 3172, 3328, 3376, 3660, 3840, 3904, 3965, 4160, 4220, 4758, 4880, 4992, 5064, 5486, 5856, 6240, 6330, 6344, 6752, 7320, 7808, 7930, 8229, 8320, 8440, 9516, 9760, 9984, 10128, 10972, 11712, 11895, 12480, 12660, 12688, 12871, 13504, 13715, 14640, 15616, 15860, 16458, 16640, 16880, 19032, 19520, 20256, 21944, 23424, 23790, 24960, 25320, 25376, 25742, 27008, 27430, 29280, 31720, 32916, 33760, 38064, 38613, 39040, 40512, 41145, 43888, 46848, 47580, 49920, 50640, 50752, 51484, 54016, 54860, 58560, 63440, 64355, 65832, 67520, 76128, 77226, 78080, 81024, 82290, 87776, 95160, 101280, 101504, 102968, 109720, 117120, 126880, 128710, 131664, 135040, 152256, 154452, 162048, 164580, 167323, 175552, 190320, 193065, 202560, 203008, 205936, 219440, 234240, 253760, 257420, 263328, 270080, 304512, 308904, 329160, 334646, 351104, 380640, 386130, 405120, 411872, 438880, 501969, 507520, 514840, 526656, 609024, 617808, 658320, 669292, 702208, 761280, 772260, 810240, 823744, 836615, 877760, 1003938, 1015040, 1029680, 1053312, 1235616, 1316640, 1338584, 1522560, 1544520, 1647488, 1673230, 1755520, 2007876, 2059360, 2106624, 2471232, 2509845, 2633280, 2677168, 3045120, 3089040, 3294976, 3346460, 3511040, 4015752, 4118720, 4942464, 5019690, 5266560, 5354336, 6178080, 6692920, 8031504, 8237440, 9884928, 10039380, 10533120, 10708672, 12356160, 13385840, 16063008, 16474880, 20078760, 21417344, 24712320, 26771680, 32126016, 40157520, 42834688, 49424640, 53543360, 64252032, 80315040, 107086720, 128504064, 160630080, 214173440, 321260160, 642520320]

約数ペア:

[(1, 642520320), (2, 321260160), (3, 214173440), (4, 160630080), (5, 128504064), (6, 107086720), (8, 80315040), (10, 64252032), (12, 53543360), (13, 49424640), (15, 42834688), (16, 40157520), (20, 32126016), (24, 26771680), (26, 24712320), (30, 21417344), (32, 20078760), (39, 16474880), (40, 16063008), (48, 13385840), (52, 12356160), (60, 10708672), (61, 10533120), (64, 10039380), (65, 9884928), (78, 8237440), (80, 8031504), (96, 6692920), (104, 6178080), (120, 5354336), (122, 5266560), (128, 5019690), (130, 4942464), (156, 4118720), (160, 4015752), (183, 3511040), (192, 3346460), (195, 3294976), (208, 3089040), (211, 3045120), (240, 2677168), (244, 2633280), (256, 2509845), (260, 2471232), (305, 2106624), (312, 2059360), (320, 2007876), (366, 1755520), (384, 1673230), (390, 1647488), (416, 1544520), (422, 1522560), (480, 1338584), (488, 1316640), (520, 1235616), (610, 1053312), (624, 1029680), (633, 1015040), (640, 1003938), (732, 877760), (768, 836615), (780, 823744), (793, 810240), (832, 772260), (844, 761280), (915, 702208), (960, 669292), (976, 658320), (1040, 617808), (1055, 609024), (1220, 526656), (1248, 514840), (1266, 507520), (1280, 501969), (1464, 438880), (1560, 411872), (1586, 405120), (1664, 386130), (1688, 380640), (1830, 351104), (1920, 334646), (1952, 329160), (2080, 308904), (2110, 304512), (2379, 270080), (2440, 263328), (2496, 257420), (2532, 253760), (2743, 234240), (2928, 219440), (3120, 205936), (3165, 203008), (3172, 202560), (3328, 193065), (3376, 190320), (3660, 175552), (3840, 167323), (3904, 164580), (3965, 162048), (4160, 154452), (4220, 152256), (4758, 135040), (4880, 131664), (4992, 128710), (5064, 126880), (5486, 117120), (5856, 109720), (6240, 102968), (6330, 101504), (6344, 101280), (6752, 95160), (7320, 87776), (7808, 82290), (7930, 81024), (8229, 78080), (8320, 77226), (8440, 76128), (9516, 67520), (9760, 65832), (9984, 64355), (10128, 63440), (10972, 58560), (11712, 54860), (11895, 54016), (12480, 51484), (12660, 50752), (12688, 50640), (12871, 49920), (13504, 47580), (13715, 46848), (14640, 43888), (15616, 41145), (15860, 40512), (16458, 39040), (16640, 38613), (16880, 38064), (19032, 33760), (19520, 32916), (20256, 31720), (21944, 29280), (23424, 27430), (23790, 27008), (24960, 25742), (25320, 25376)]