122320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 312480

約数和(自身を除く): 190160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 695, 880, 1112, 1390, 1529, 2224, 2780, 3058, 5560, 6116, 7645, 11120, 12232, 15290, 24464, 30580, 61160, 122320]

約数ペア:

[(1, 122320), (2, 61160), (4, 30580), (5, 24464), (8, 15290), (10, 12232), (11, 11120), (16, 7645), (20, 6116), (22, 5560), (40, 3058), (44, 2780), (55, 2224), (80, 1529), (88, 1390), (110, 1112), (139, 880), (176, 695), (220, 556), (278, 440)]