72647040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 234004320

約数和(自身を除く): 161357280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 241, 314, 320, 384, 471, 480, 482, 628, 640, 723, 785, 942, 960, 964, 1205, 1256, 1446, 1570, 1884, 1920, 1928, 2355, 2410, 2512, 2892, 3140, 3615, 3768, 3856, 4710, 4820, 5024, 5784, 6280, 7230, 7536, 7712, 9420, 9640, 10048, 11568, 12560, 14460, 15072, 15424, 18840, 19280, 20096, 23136, 25120, 28920, 30144, 30848, 37680, 37837, 38560, 46272, 50240, 57840, 60288, 75360, 75674, 77120, 92544, 100480, 113511, 115680, 150720, 151348, 154240, 189185, 227022, 231360, 301440, 302696, 378370, 454044, 462720, 567555, 605392, 756740, 908088, 1135110, 1210784, 1513480, 1816176, 2270220, 2421568, 3026960, 3632352, 4540440, 4843136, 6053920, 7264704, 9080880, 12107840, 14529408, 18161760, 24215680, 36323520, 72647040]

約数ペア:

[(1, 72647040), (2, 36323520), (3, 24215680), (4, 18161760), (5, 14529408), (6, 12107840), (8, 9080880), (10, 7264704), (12, 6053920), (15, 4843136), (16, 4540440), (20, 3632352), (24, 3026960), (30, 2421568), (32, 2270220), (40, 1816176), (48, 1513480), (60, 1210784), (64, 1135110), (80, 908088), (96, 756740), (120, 605392), (128, 567555), (157, 462720), (160, 454044), (192, 378370), (240, 302696), (241, 301440), (314, 231360), (320, 227022), (384, 189185), (471, 154240), (480, 151348), (482, 150720), (628, 115680), (640, 113511), (723, 100480), (785, 92544), (942, 77120), (960, 75674), (964, 75360), (1205, 60288), (1256, 57840), (1446, 50240), (1570, 46272), (1884, 38560), (1920, 37837), (1928, 37680), (2355, 30848), (2410, 30144), (2512, 28920), (2892, 25120), (3140, 23136), (3615, 20096), (3768, 19280), (3856, 18840), (4710, 15424), (4820, 15072), (5024, 14460), (5784, 12560), (6280, 11568), (7230, 10048), (7536, 9640), (7712, 9420)]