78291080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12157}}^1$

素因数の和:12198

約数の個数: 64

約数和(自身を含む): 210090240

約数和(自身を除く): 131799160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12157, 24314, 48628, 60785, 85099, 97256, 121570, 170198, 243140, 279611, 340396, 425495, 486280, 559222, 680792, 850990, 1118444, 1398055, 1701980, 1957277, 2236888, 2796110, 3403960, 3914554, 5592220, 7829108, 9786385, 11184440, 15658216, 19572770, 39145540, 78291080]

約数ペア:

[(1, 78291080), (2, 39145540), (4, 19572770), (5, 15658216), (7, 11184440), (8, 9786385), (10, 7829108), (14, 5592220), (20, 3914554), (23, 3403960), (28, 2796110), (35, 2236888), (40, 1957277), (46, 1701980), (56, 1398055), (70, 1118444), (92, 850990), (115, 680792), (140, 559222), (161, 486280), (184, 425495), (230, 340396), (280, 279611), (322, 243140), (460, 170198), (644, 121570), (805, 97256), (920, 85099), (1288, 60785), (1610, 48628), (3220, 24314), (6440, 12157)]