78090075

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{787}}^1$

素因数の和:823

約数の個数: 90

約数和(自身を含む): 168479916

約数和(自身を除く): 90389841

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 175, 189, 225, 245, 315, 405, 441, 525, 567, 675, 735, 787, 945, 1225, 1323, 1575, 2025, 2205, 2361, 2835, 3675, 3935, 3969, 4725, 5509, 6615, 7083, 11025, 11805, 14175, 16527, 19675, 19845, 21249, 27545, 33075, 35415, 38563, 49581, 59025, 63747, 82635, 99225, 106245, 115689, 137725, 148743, 177075, 192815, 247905, 318735, 347067, 413175, 446229, 531225, 578445, 743715, 964075, 1041201, 1239525, 1593675, 1735335, 2231145, 2892225, 3123603, 3718575, 5206005, 8676675, 11155725, 15618015, 26030025, 78090075]

約数ペア:

[(1, 78090075), (3, 26030025), (5, 15618015), (7, 11155725), (9, 8676675), (15, 5206005), (21, 3718575), (25, 3123603), (27, 2892225), (35, 2231145), (45, 1735335), (49, 1593675), (63, 1239525), (75, 1041201), (81, 964075), (105, 743715), (135, 578445), (147, 531225), (175, 446229), (189, 413175), (225, 347067), (245, 318735), (315, 247905), (405, 192815), (441, 177075), (525, 148743), (567, 137725), (675, 115689), (735, 106245), (787, 99225), (945, 82635), (1225, 63747), (1323, 59025), (1575, 49581), (2025, 38563), (2205, 35415), (2361, 33075), (2835, 27545), (3675, 21249), (3935, 19845), (3969, 19675), (4725, 16527), (5509, 14175), (6615, 11805), (7083, 11025)]