68148520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{154883}}^1$

素因数の和:154905

約数の個数: 32

約数和(自身を含む): 167274720

約数和(自身を除く): 99126200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 154883, 309766, 619532, 774415, 1239064, 1548830, 1703713, 3097660, 3407426, 6195320, 6814852, 8518565, 13629704, 17037130, 34074260, 68148520]

約数ペア:

[(1, 68148520), (2, 34074260), (4, 17037130), (5, 13629704), (8, 8518565), (10, 6814852), (11, 6195320), (20, 3407426), (22, 3097660), (40, 1703713), (44, 1548830), (55, 1239064), (88, 774415), (110, 619532), (220, 309766), (440, 154883)]