12142740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 34151040

約数和(自身を除く): 22008300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 461, 878, 922, 1317, 1383, 1756, 1844, 2195, 2305, 2634, 2766, 4390, 4610, 5268, 5532, 6585, 6915, 8780, 9220, 13170, 13830, 26340, 27660, 202379, 404758, 607137, 809516, 1011895, 1214274, 2023790, 2428548, 3035685, 4047580, 6071370, 12142740]

約数ペア:

[(1, 12142740), (2, 6071370), (3, 4047580), (4, 3035685), (5, 2428548), (6, 2023790), (10, 1214274), (12, 1011895), (15, 809516), (20, 607137), (30, 404758), (60, 202379), (439, 27660), (461, 26340), (878, 13830), (922, 13170), (1317, 9220), (1383, 8780), (1756, 6915), (1844, 6585), (2195, 5532), (2305, 5268), (2634, 4610), (2766, 4390)]