243793960

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{8009}}^1$

素因数の和:8781

約数の個数: 32

約数和(自身を含む): 549325800

約数和(自身を除く): 305531840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 8009, 15220, 16018, 30440, 32036, 40045, 64072, 80090, 160180, 320360, 6094849, 12189698, 24379396, 30474245, 48758792, 60948490, 121896980, 243793960]

約数ペア:

[(1, 243793960), (2, 121896980), (4, 60948490), (5, 48758792), (8, 30474245), (10, 24379396), (20, 12189698), (40, 6094849), (761, 320360), (1522, 160180), (3044, 80090), (3805, 64072), (6088, 40045), (7610, 32036), (8009, 30440), (15220, 16018)]