128523720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82387}}^1$

素因数の和:82414

約数の個数: 64

約数和(自身を含む): 415235520

約数和(自身を除く): 286711800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82387, 164774, 247161, 329548, 411935, 494322, 659096, 823870, 988644, 1071031, 1235805, 1647740, 1977288, 2142062, 2471610, 3213093, 3295480, 4284124, 4943220, 5355155, 6426186, 8568248, 9886440, 10710310, 12852372, 16065465, 21420620, 25704744, 32130930, 42841240, 64261860, 128523720]

約数ペア:

[(1, 128523720), (2, 64261860), (3, 42841240), (4, 32130930), (5, 25704744), (6, 21420620), (8, 16065465), (10, 12852372), (12, 10710310), (13, 9886440), (15, 8568248), (20, 6426186), (24, 5355155), (26, 4943220), (30, 4284124), (39, 3295480), (40, 3213093), (52, 2471610), (60, 2142062), (65, 1977288), (78, 1647740), (104, 1235805), (120, 1071031), (130, 988644), (156, 823870), (195, 659096), (260, 494322), (312, 411935), (390, 329548), (520, 247161), (780, 164774), (1560, 82387)]