128398440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1069987}}^1$

素因数の和:1070001

約数の個数: 32

約数和(自身を含む): 385195680

約数和(自身を除く): 256797240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1069987, 2139974, 3209961, 4279948, 5349935, 6419922, 8559896, 10699870, 12839844, 16049805, 21399740, 25679688, 32099610, 42799480, 64199220, 128398440]

約数ペア:

[(1, 128398440), (2, 64199220), (3, 42799480), (4, 32099610), (5, 25679688), (6, 21399740), (8, 16049805), (10, 12839844), (12, 10699870), (15, 8559896), (20, 6419922), (24, 5349935), (30, 4279948), (40, 3209961), (60, 2139974), (120, 1069987)]