30518840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 75600000

約数和(自身を除く): 45081160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 499, 556, 695, 998, 1112, 1390, 1529, 1996, 2495, 2780, 3058, 3992, 4990, 5489, 5560, 6116, 7645, 9980, 10978, 12232, 15290, 19960, 21956, 27445, 30580, 43912, 54890, 61160, 69361, 109780, 138722, 219560, 277444, 346805, 554888, 693610, 762971, 1387220, 1525942, 2774440, 3051884, 3814855, 6103768, 7629710, 15259420, 30518840]

約数ペア:

[(1, 30518840), (2, 15259420), (4, 7629710), (5, 6103768), (8, 3814855), (10, 3051884), (11, 2774440), (20, 1525942), (22, 1387220), (40, 762971), (44, 693610), (55, 554888), (88, 346805), (110, 277444), (139, 219560), (220, 138722), (278, 109780), (440, 69361), (499, 61160), (556, 54890), (695, 43912), (998, 30580), (1112, 27445), (1390, 21956), (1529, 19960), (1996, 15290), (2495, 12232), (2780, 10978), (3058, 9980), (3992, 7645), (4990, 6116), (5489, 5560)]