80659815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 143410176

約数和(自身を除く): 62750361

約数列:

[1, 3, 5, 15, 17, 37, 51, 83, 85, 103, 111, 185, 249, 255, 309, 415, 515, 555, 629, 1245, 1411, 1545, 1751, 1887, 3071, 3145, 3811, 4233, 5253, 7055, 8549, 8755, 9213, 9435, 11433, 15355, 19055, 21165, 25647, 26265, 42745, 46065, 52207, 57165, 64787, 128235, 145333, 156621, 194361, 261035, 316313, 323935, 435999, 726665, 783105, 948939, 971805, 1581565, 2179995, 4744695, 5377321, 16131963, 26886605, 80659815]

約数ペア:

[(1, 80659815), (3, 26886605), (5, 16131963), (15, 5377321), (17, 4744695), (37, 2179995), (51, 1581565), (83, 971805), (85, 948939), (103, 783105), (111, 726665), (185, 435999), (249, 323935), (255, 316313), (309, 261035), (415, 194361), (515, 156621), (555, 145333), (629, 128235), (1245, 64787), (1411, 57165), (1545, 52207), (1751, 46065), (1887, 42745), (3071, 26265), (3145, 25647), (3811, 21165), (4233, 19055), (5253, 15355), (7055, 11433), (8549, 9435), (8755, 9213)]