1489490960

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 3508382592

約数和(自身を除く): 2018891632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 311, 457, 524, 622, 655, 914, 1048, 1244, 1310, 1555, 1828, 2096, 2285, 2488, 2620, 3110, 3656, 4570, 4976, 5240, 6220, 7312, 9140, 10480, 12440, 18280, 24880, 36560, 40741, 59867, 81482, 119734, 142127, 162964, 203705, 239468, 284254, 299335, 325928, 407410, 478936, 568508, 598670, 651856, 710635, 814820, 957872, 1137016, 1197340, 1421270, 1629640, 2274032, 2394680, 2842540, 3259280, 4789360, 5685080, 11370160, 18618637, 37237274, 74474548, 93093185, 148949096, 186186370, 297898192, 372372740, 744745480, 1489490960]

約数ペア:

[(1, 1489490960), (2, 744745480), (4, 372372740), (5, 297898192), (8, 186186370), (10, 148949096), (16, 93093185), (20, 74474548), (40, 37237274), (80, 18618637), (131, 11370160), (262, 5685080), (311, 4789360), (457, 3259280), (524, 2842540), (622, 2394680), (655, 2274032), (914, 1629640), (1048, 1421270), (1244, 1197340), (1310, 1137016), (1555, 957872), (1828, 814820), (2096, 710635), (2285, 651856), (2488, 598670), (2620, 568508), (3110, 478936), (3656, 407410), (4570, 325928), (4976, 299335), (5240, 284254), (6220, 239468), (7312, 203705), (9140, 162964), (10480, 142127), (12440, 119734), (18280, 81482), (24880, 59867), (36560, 40741)]