251643120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 814233600

約数和(自身を除く): 562590480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 149, 155, 186, 227, 240, 248, 298, 310, 372, 447, 454, 465, 496, 596, 620, 681, 744, 745, 894, 908, 930, 1135, 1192, 1240, 1362, 1488, 1490, 1788, 1816, 1860, 2235, 2270, 2384, 2480, 2724, 2980, 3405, 3576, 3632, 3720, 4470, 4540, 4619, 5448, 5960, 6810, 7037, 7152, 7440, 8940, 9080, 9238, 10896, 11920, 13620, 13857, 14074, 17880, 18160, 18476, 21111, 23095, 27240, 27714, 28148, 33823, 35185, 35760, 36952, 42222, 46190, 54480, 55428, 56296, 67646, 69285, 70370, 73904, 84444, 92380, 101469, 105555, 110856, 112592, 135292, 138570, 140740, 168888, 169115, 184760, 202938, 211110, 221712, 270584, 277140, 281480, 337776, 338230, 369520, 405876, 422220, 507345, 541168, 554280, 562960, 676460, 811752, 844440, 1014690, 1048513, 1108560, 1352920, 1623504, 1688880, 2029380, 2097026, 2705840, 3145539, 4058760, 4194052, 5242565, 6291078, 8117520, 8388104, 10485130, 12582156, 15727695, 16776208, 20970260, 25164312, 31455390, 41940520, 50328624, 62910780, 83881040, 125821560, 251643120]

約数ペア:

[(1, 251643120), (2, 125821560), (3, 83881040), (4, 62910780), (5, 50328624), (6, 41940520), (8, 31455390), (10, 25164312), (12, 20970260), (15, 16776208), (16, 15727695), (20, 12582156), (24, 10485130), (30, 8388104), (31, 8117520), (40, 6291078), (48, 5242565), (60, 4194052), (62, 4058760), (80, 3145539), (93, 2705840), (120, 2097026), (124, 2029380), (149, 1688880), (155, 1623504), (186, 1352920), (227, 1108560), (240, 1048513), (248, 1014690), (298, 844440), (310, 811752), (372, 676460), (447, 562960), (454, 554280), (465, 541168), (496, 507345), (596, 422220), (620, 405876), (681, 369520), (744, 338230), (745, 337776), (894, 281480), (908, 277140), (930, 270584), (1135, 221712), (1192, 211110), (1240, 202938), (1362, 184760), (1488, 169115), (1490, 168888), (1788, 140740), (1816, 138570), (1860, 135292), (2235, 112592), (2270, 110856), (2384, 105555), (2480, 101469), (2724, 92380), (2980, 84444), (3405, 73904), (3576, 70370), (3632, 69285), (3720, 67646), (4470, 56296), (4540, 55428), (4619, 54480), (5448, 46190), (5960, 42222), (6810, 36952), (7037, 35760), (7152, 35185), (7440, 33823), (8940, 28148), (9080, 27714), (9238, 27240), (10896, 23095), (11920, 21111), (13620, 18476), (13857, 18160), (14074, 17880)]