68289320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155203}}^1$

素因数の和:155225

約数の個数: 32

約数和(自身を含む): 167620320

約数和(自身を除く): 99331000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155203, 310406, 620812, 776015, 1241624, 1552030, 1707233, 3104060, 3414466, 6208120, 6828932, 8536165, 13657864, 17072330, 34144660, 68289320]

約数ペア:

[(1, 68289320), (2, 34144660), (4, 17072330), (5, 13657864), (8, 8536165), (10, 6828932), (11, 6208120), (20, 3414466), (22, 3104060), (40, 1707233), (44, 1552030), (55, 1241624), (88, 776015), (110, 620812), (220, 310406), (440, 155203)]