81666840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4507}}^1$

素因数の和:4672

約数の個数: 64

約数和(自身を含む): 246677760

約数和(自身を除く): 165010920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1208, 1510, 1812, 2265, 3020, 3624, 4507, 4530, 6040, 9014, 9060, 13521, 18028, 18120, 22535, 27042, 36056, 45070, 54084, 67605, 90140, 108168, 135210, 180280, 270420, 540840, 680557, 1361114, 2041671, 2722228, 3402785, 4083342, 5444456, 6805570, 8166684, 10208355, 13611140, 16333368, 20416710, 27222280, 40833420, 81666840]

約数ペア:

[(1, 81666840), (2, 40833420), (3, 27222280), (4, 20416710), (5, 16333368), (6, 13611140), (8, 10208355), (10, 8166684), (12, 6805570), (15, 5444456), (20, 4083342), (24, 3402785), (30, 2722228), (40, 2041671), (60, 1361114), (120, 680557), (151, 540840), (302, 270420), (453, 180280), (604, 135210), (755, 108168), (906, 90140), (1208, 67605), (1510, 54084), (1812, 45070), (2265, 36056), (3020, 27042), (3624, 22535), (4507, 18120), (4530, 18028), (6040, 13521), (9014, 9060)]