1990235160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5528431}}^1$

素因数の和:5528448

約数の個数: 48

約数和(自身を含む): 6468265440

約数和(自身を除く): 4478030280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 5528431, 11056862, 16585293, 22113724, 27642155, 33170586, 44227448, 49755879, 55284310, 66341172, 82926465, 99511758, 110568620, 132682344, 165852930, 199023516, 221137240, 248779395, 331705860, 398047032, 497558790, 663411720, 995117580, 1990235160]

約数ペア:

[(1, 1990235160), (2, 995117580), (3, 663411720), (4, 497558790), (5, 398047032), (6, 331705860), (8, 248779395), (9, 221137240), (10, 199023516), (12, 165852930), (15, 132682344), (18, 110568620), (20, 99511758), (24, 82926465), (30, 66341172), (36, 55284310), (40, 49755879), (45, 44227448), (60, 33170586), (72, 27642155), (90, 22113724), (120, 16585293), (180, 11056862), (360, 5528431)]