81548320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4283}}^1$

素因数の和:4322

約数の個数: 96

約数和(自身を含む): 233186688

約数和(自身を除く): 151638368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1190, 1360, 1904, 2380, 2720, 3808, 4283, 4760, 8566, 9520, 17132, 19040, 21415, 29981, 34264, 42830, 59962, 68528, 72811, 85660, 119924, 137056, 145622, 149905, 171320, 239848, 291244, 299810, 342640, 364055, 479696, 509677, 582488, 599620, 685280, 728110, 959392, 1019354, 1164976, 1199240, 1456220, 2038708, 2329952, 2398480, 2548385, 2912440, 4077416, 4796960, 5096770, 5824880, 8154832, 10193540, 11649760, 16309664, 20387080, 40774160, 81548320]

約数ペア:

[(1, 81548320), (2, 40774160), (4, 20387080), (5, 16309664), (7, 11649760), (8, 10193540), (10, 8154832), (14, 5824880), (16, 5096770), (17, 4796960), (20, 4077416), (28, 2912440), (32, 2548385), (34, 2398480), (35, 2329952), (40, 2038708), (56, 1456220), (68, 1199240), (70, 1164976), (80, 1019354), (85, 959392), (112, 728110), (119, 685280), (136, 599620), (140, 582488), (160, 509677), (170, 479696), (224, 364055), (238, 342640), (272, 299810), (280, 291244), (340, 239848), (476, 171320), (544, 149905), (560, 145622), (595, 137056), (680, 119924), (952, 85660), (1120, 72811), (1190, 68528), (1360, 59962), (1904, 42830), (2380, 34264), (2720, 29981), (3808, 21415), (4283, 19040), (4760, 17132), (8566, 9520)]