81235680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169241}}^1$

素因数の和:169259

約数の個数: 48

約数和(自身を含む): 255893904

約数和(自身を除く): 174658224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169241, 338482, 507723, 676964, 846205, 1015446, 1353928, 1692410, 2030892, 2538615, 2707856, 3384820, 4061784, 5077230, 5415712, 6769640, 8123568, 10154460, 13539280, 16247136, 20308920, 27078560, 40617840, 81235680]

約数ペア:

[(1, 81235680), (2, 40617840), (3, 27078560), (4, 20308920), (5, 16247136), (6, 13539280), (8, 10154460), (10, 8123568), (12, 6769640), (15, 5415712), (16, 5077230), (20, 4061784), (24, 3384820), (30, 2707856), (32, 2538615), (40, 2030892), (48, 1692410), (60, 1353928), (80, 1015446), (96, 846205), (120, 676964), (160, 507723), (240, 338482), (480, 169241)]