155438160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647659}}^1$

素因数の和:647675

約数の個数: 40

約数和(自身を含む): 481859040

約数和(自身を除く): 326420880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647659, 1295318, 1942977, 2590636, 3238295, 3885954, 5181272, 6476590, 7771908, 9714885, 10362544, 12953180, 15543816, 19429770, 25906360, 31087632, 38859540, 51812720, 77719080, 155438160]

約数ペア:

[(1, 155438160), (2, 77719080), (3, 51812720), (4, 38859540), (5, 31087632), (6, 25906360), (8, 19429770), (10, 15543816), (12, 12953180), (15, 10362544), (16, 9714885), (20, 7771908), (24, 6476590), (30, 5181272), (40, 3885954), (48, 3238295), (60, 2590636), (80, 1942977), (120, 1295318), (240, 647659)]