78490890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{290707}}^1$

素因数の和:290723

約数の個数: 32

約数和(自身を含む): 209309760

約数和(自身を除く): 130818870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 290707, 581414, 872121, 1453535, 1744242, 2616363, 2907070, 4360605, 5232726, 7849089, 8721210, 13081815, 15698178, 26163630, 39245445, 78490890]

約数ペア:

[(1, 78490890), (2, 39245445), (3, 26163630), (5, 15698178), (6, 13081815), (9, 8721210), (10, 7849089), (15, 5232726), (18, 4360605), (27, 2907070), (30, 2616363), (45, 1744242), (54, 1453535), (90, 872121), (135, 581414), (270, 290707)]