68540120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155773}}^1$

素因数の和:155795

約数の個数: 32

約数和(自身を含む): 168235920

約数和(自身を除く): 99695800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155773, 311546, 623092, 778865, 1246184, 1557730, 1713503, 3115460, 3427006, 6230920, 6854012, 8567515, 13708024, 17135030, 34270060, 68540120]

約数ペア:

[(1, 68540120), (2, 34270060), (4, 17135030), (5, 13708024), (8, 8567515), (10, 6854012), (11, 6230920), (20, 3427006), (22, 3115460), (40, 1713503), (44, 1557730), (55, 1246184), (88, 778865), (110, 623092), (220, 311546), (440, 155773)]