144781880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{43609}}^1$

素因数の和:43703

約数の個数: 32

約数和(自身を含む): 329691600

約数和(自身を除く): 184909720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 43609, 87218, 174436, 218045, 348872, 436090, 872180, 1744360, 3619547, 7239094, 14478188, 18097735, 28956376, 36195470, 72390940, 144781880]

約数ペア:

[(1, 144781880), (2, 72390940), (4, 36195470), (5, 28956376), (8, 18097735), (10, 14478188), (20, 7239094), (40, 3619547), (83, 1744360), (166, 872180), (332, 436090), (415, 348872), (664, 218045), (830, 174436), (1660, 87218), (3320, 43609)]