247424640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4157}}^1$

素因数の和:4210

約数の個数: 128

約数和(自身を含む): 814302720

約数和(自身を除く): 566878080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4157, 4960, 5952, 7440, 8314, 9920, 11904, 12471, 14880, 16628, 19840, 20785, 24942, 29760, 33256, 41570, 49884, 59520, 62355, 66512, 83140, 99768, 124710, 128867, 133024, 166280, 199536, 249420, 257734, 266048, 332560, 386601, 399072, 498840, 515468, 532096, 644335, 665120, 773202, 798144, 997680, 1030936, 1288670, 1330240, 1546404, 1596288, 1933005, 1995360, 2061872, 2577340, 2660480, 3092808, 3866010, 3990720, 4123744, 5154680, 6185616, 7732020, 7981440, 8247488, 10309360, 12371232, 15464040, 16494976, 20618720, 24742464, 30928080, 41237440, 49484928, 61856160, 82474880, 123712320, 247424640]

約数ペア:

[(1, 247424640), (2, 123712320), (3, 82474880), (4, 61856160), (5, 49484928), (6, 41237440), (8, 30928080), (10, 24742464), (12, 20618720), (15, 16494976), (16, 15464040), (20, 12371232), (24, 10309360), (30, 8247488), (31, 7981440), (32, 7732020), (40, 6185616), (48, 5154680), (60, 4123744), (62, 3990720), (64, 3866010), (80, 3092808), (93, 2660480), (96, 2577340), (120, 2061872), (124, 1995360), (128, 1933005), (155, 1596288), (160, 1546404), (186, 1330240), (192, 1288670), (240, 1030936), (248, 997680), (310, 798144), (320, 773202), (372, 665120), (384, 644335), (465, 532096), (480, 515468), (496, 498840), (620, 399072), (640, 386601), (744, 332560), (930, 266048), (960, 257734), (992, 249420), (1240, 199536), (1488, 166280), (1860, 133024), (1920, 128867), (1984, 124710), (2480, 99768), (2976, 83140), (3720, 66512), (3968, 62355), (4157, 59520), (4960, 49884), (5952, 41570), (7440, 33256), (8314, 29760), (9920, 24942), (11904, 20785), (12471, 19840), (14880, 16628)]