81331830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1327}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 218004480

約数和(自身を除く): 136672650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 227, 270, 454, 681, 1135, 1327, 1362, 2043, 2270, 2654, 3405, 3981, 4086, 6129, 6635, 6810, 7962, 10215, 11943, 12258, 13270, 19905, 20430, 23886, 30645, 35829, 39810, 59715, 61290, 71658, 119430, 179145, 301229, 358290, 602458, 903687, 1506145, 1807374, 2711061, 3012290, 4518435, 5422122, 8133183, 9036870, 13555305, 16266366, 27110610, 40665915, 81331830]

約数ペア:

[(1, 81331830), (2, 40665915), (3, 27110610), (5, 16266366), (6, 13555305), (9, 9036870), (10, 8133183), (15, 5422122), (18, 4518435), (27, 3012290), (30, 2711061), (45, 1807374), (54, 1506145), (90, 903687), (135, 602458), (227, 358290), (270, 301229), (454, 179145), (681, 119430), (1135, 71658), (1327, 61290), (1362, 59715), (2043, 39810), (2270, 35829), (2654, 30645), (3405, 23886), (3981, 20430), (4086, 19905), (6129, 13270), (6635, 12258), (6810, 11943), (7962, 10215)]