81573984

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9767}}^1$

素因数の和:9812

約数の個数: 72

約数和(自身を含む): 239999760

約数和(自身を除く): 158425776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2784, 4176, 8352, 9767, 19534, 29301, 39068, 58602, 78136, 87903, 117204, 156272, 175806, 234408, 283243, 312544, 351612, 468816, 566486, 703224, 849729, 937632, 1132972, 1406448, 1699458, 2265944, 2549187, 2812896, 3398916, 4531888, 5098374, 6797832, 9063776, 10196748, 13595664, 20393496, 27191328, 40786992, 81573984]

約数ペア:

[(1, 81573984), (2, 40786992), (3, 27191328), (4, 20393496), (6, 13595664), (8, 10196748), (9, 9063776), (12, 6797832), (16, 5098374), (18, 4531888), (24, 3398916), (29, 2812896), (32, 2549187), (36, 2265944), (48, 1699458), (58, 1406448), (72, 1132972), (87, 937632), (96, 849729), (116, 703224), (144, 566486), (174, 468816), (232, 351612), (261, 312544), (288, 283243), (348, 234408), (464, 175806), (522, 156272), (696, 117204), (928, 87903), (1044, 78136), (1392, 58602), (2088, 39068), (2784, 29301), (4176, 19534), (8352, 9767)]