280135920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1167233}}^1$

素因数の和:1167249

約数の個数: 40

約数和(自身を含む): 868422096

約数和(自身を除く): 588286176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1167233, 2334466, 3501699, 4668932, 5836165, 7003398, 9337864, 11672330, 14006796, 17508495, 18675728, 23344660, 28013592, 35016990, 46689320, 56027184, 70033980, 93378640, 140067960, 280135920]

約数ペア:

[(1, 280135920), (2, 140067960), (3, 93378640), (4, 70033980), (5, 56027184), (6, 46689320), (8, 35016990), (10, 28013592), (12, 23344660), (15, 18675728), (16, 17508495), (20, 14006796), (24, 11672330), (30, 9337864), (40, 7003398), (48, 5836165), (60, 4668932), (80, 3501699), (120, 2334466), (240, 1167233)]