64778640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6277}}^1$

素因数の和:6336

約数の個数: 80

約数和(自身を含む): 205516608

約数和(自身を除く): 140737968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 6277, 10320, 12554, 18831, 25108, 31385, 37662, 50216, 62770, 75324, 94155, 100432, 125540, 150648, 188310, 251080, 269911, 301296, 376620, 502160, 539822, 753240, 809733, 1079644, 1349555, 1506480, 1619466, 2159288, 2699110, 3238932, 4048665, 4318576, 5398220, 6477864, 8097330, 10796440, 12955728, 16194660, 21592880, 32389320, 64778640]

約数ペア:

[(1, 64778640), (2, 32389320), (3, 21592880), (4, 16194660), (5, 12955728), (6, 10796440), (8, 8097330), (10, 6477864), (12, 5398220), (15, 4318576), (16, 4048665), (20, 3238932), (24, 2699110), (30, 2159288), (40, 1619466), (43, 1506480), (48, 1349555), (60, 1079644), (80, 809733), (86, 753240), (120, 539822), (129, 502160), (172, 376620), (215, 301296), (240, 269911), (258, 251080), (344, 188310), (430, 150648), (516, 125540), (645, 100432), (688, 94155), (860, 75324), (1032, 62770), (1290, 50216), (1720, 37662), (2064, 31385), (2580, 25108), (3440, 18831), (5160, 12554), (6277, 10320)]