66449280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 128

約数和(自身を含む): 216133920

約数和(自身を除く): 149684640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 653, 795, 848, 960, 1060, 1272, 1306, 1590, 1696, 1920, 1959, 2120, 2544, 2612, 3180, 3265, 3392, 3918, 4240, 5088, 5224, 6360, 6530, 6784, 7836, 8480, 9795, 10176, 10448, 12720, 13060, 15672, 16960, 19590, 20352, 20896, 25440, 26120, 31344, 33920, 34609, 39180, 41792, 50880, 52240, 62688, 69218, 78360, 83584, 101760, 103827, 104480, 125376, 138436, 156720, 173045, 207654, 208960, 250752, 276872, 313440, 346090, 415308, 417920, 519135, 553744, 626880, 692180, 830616, 1038270, 1107488, 1253760, 1384360, 1661232, 2076540, 2214976, 2768720, 3322464, 4153080, 4429952, 5537440, 6644928, 8306160, 11074880, 13289856, 16612320, 22149760, 33224640, 66449280]

約数ペア:

[(1, 66449280), (2, 33224640), (3, 22149760), (4, 16612320), (5, 13289856), (6, 11074880), (8, 8306160), (10, 6644928), (12, 5537440), (15, 4429952), (16, 4153080), (20, 3322464), (24, 2768720), (30, 2214976), (32, 2076540), (40, 1661232), (48, 1384360), (53, 1253760), (60, 1107488), (64, 1038270), (80, 830616), (96, 692180), (106, 626880), (120, 553744), (128, 519135), (159, 417920), (160, 415308), (192, 346090), (212, 313440), (240, 276872), (265, 250752), (318, 208960), (320, 207654), (384, 173045), (424, 156720), (480, 138436), (530, 125376), (636, 104480), (640, 103827), (653, 101760), (795, 83584), (848, 78360), (960, 69218), (1060, 62688), (1272, 52240), (1306, 50880), (1590, 41792), (1696, 39180), (1920, 34609), (1959, 33920), (2120, 31344), (2544, 26120), (2612, 25440), (3180, 20896), (3265, 20352), (3392, 19590), (3918, 16960), (4240, 15672), (5088, 13060), (5224, 12720), (6360, 10448), (6530, 10176), (6784, 9795), (7836, 8480)]