128995680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2221}}^1$

素因数の和:2261

約数の個数: 144

約数和(自身を含む): 446835312

約数和(自身を除く): 317839632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 480, 484, 528, 605, 660, 726, 880, 968, 1056, 1210, 1320, 1452, 1760, 1815, 1936, 2221, 2420, 2640, 2904, 3630, 3872, 4442, 4840, 5280, 5808, 6663, 7260, 8884, 9680, 11105, 11616, 13326, 14520, 17768, 19360, 22210, 24431, 26652, 29040, 33315, 35536, 44420, 48862, 53304, 58080, 66630, 71072, 73293, 88840, 97724, 106608, 122155, 133260, 146586, 177680, 195448, 213216, 244310, 266520, 268741, 293172, 355360, 366465, 390896, 488620, 533040, 537482, 586344, 732930, 781792, 806223, 977240, 1066080, 1074964, 1172688, 1343705, 1465860, 1612446, 1954480, 2149928, 2345376, 2687410, 2931720, 3224892, 3908960, 4031115, 4299856, 5374820, 5863440, 6449784, 8062230, 8599712, 10749640, 11726880, 12899568, 16124460, 21499280, 25799136, 32248920, 42998560, 64497840, 128995680]

約数ペア:

[(1, 128995680), (2, 64497840), (3, 42998560), (4, 32248920), (5, 25799136), (6, 21499280), (8, 16124460), (10, 12899568), (11, 11726880), (12, 10749640), (15, 8599712), (16, 8062230), (20, 6449784), (22, 5863440), (24, 5374820), (30, 4299856), (32, 4031115), (33, 3908960), (40, 3224892), (44, 2931720), (48, 2687410), (55, 2345376), (60, 2149928), (66, 1954480), (80, 1612446), (88, 1465860), (96, 1343705), (110, 1172688), (120, 1074964), (121, 1066080), (132, 977240), (160, 806223), (165, 781792), (176, 732930), (220, 586344), (240, 537482), (242, 533040), (264, 488620), (330, 390896), (352, 366465), (363, 355360), (440, 293172), (480, 268741), (484, 266520), (528, 244310), (605, 213216), (660, 195448), (726, 177680), (880, 146586), (968, 133260), (1056, 122155), (1210, 106608), (1320, 97724), (1452, 88840), (1760, 73293), (1815, 71072), (1936, 66630), (2221, 58080), (2420, 53304), (2640, 48862), (2904, 44420), (3630, 35536), (3872, 33315), (4442, 29040), (4840, 26652), (5280, 24431), (5808, 22210), (6663, 19360), (7260, 17768), (8884, 14520), (9680, 13326), (11105, 11616)]