80639835

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 141250560

約数和(自身を除く): 60610725

約数列:

[1, 3, 5, 15, 31, 37, 43, 93, 109, 111, 129, 155, 185, 215, 327, 465, 545, 555, 645, 1147, 1333, 1591, 1635, 3379, 3441, 3999, 4033, 4687, 4773, 5735, 6665, 7955, 10137, 12099, 14061, 16895, 17205, 19995, 20165, 23435, 23865, 49321, 50685, 60495, 70305, 125023, 145297, 147963, 173419, 246605, 375069, 435891, 520257, 625115, 726485, 739815, 867095, 1875345, 2179455, 2601285, 5375989, 16127967, 26879945, 80639835]

約数ペア:

[(1, 80639835), (3, 26879945), (5, 16127967), (15, 5375989), (31, 2601285), (37, 2179455), (43, 1875345), (93, 867095), (109, 739815), (111, 726485), (129, 625115), (155, 520257), (185, 435891), (215, 375069), (327, 246605), (465, 173419), (545, 147963), (555, 145297), (645, 125023), (1147, 70305), (1333, 60495), (1591, 50685), (1635, 49321), (3379, 23865), (3441, 23435), (3999, 20165), (4033, 19995), (4687, 17205), (4773, 16895), (5735, 14061), (6665, 12099), (7955, 10137)]