81540240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339751}}^1$

素因数の和:339767

約数の個数: 40

約数和(自身を含む): 252775488

約数和(自身を除く): 171235248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339751, 679502, 1019253, 1359004, 1698755, 2038506, 2718008, 3397510, 4077012, 5096265, 5436016, 6795020, 8154024, 10192530, 13590040, 16308048, 20385060, 27180080, 40770120, 81540240]

約数ペア:

[(1, 81540240), (2, 40770120), (3, 27180080), (4, 20385060), (5, 16308048), (6, 13590040), (8, 10192530), (10, 8154024), (12, 6795020), (15, 5436016), (16, 5096265), (20, 4077012), (24, 3397510), (30, 2718008), (40, 2038506), (48, 1698755), (60, 1359004), (80, 1019253), (120, 679502), (240, 339751)]