2564520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 9123840

約数和(自身を除く): 6559320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 71, 84, 86, 105, 120, 129, 140, 142, 168, 172, 210, 213, 215, 258, 280, 284, 301, 344, 355, 420, 426, 430, 497, 516, 568, 602, 645, 710, 840, 852, 860, 903, 994, 1032, 1065, 1204, 1290, 1420, 1491, 1505, 1704, 1720, 1806, 1988, 2130, 2408, 2485, 2580, 2840, 2982, 3010, 3053, 3612, 3976, 4260, 4515, 4970, 5160, 5964, 6020, 6106, 7224, 7455, 8520, 9030, 9159, 9940, 11928, 12040, 12212, 14910, 15265, 18060, 18318, 19880, 21371, 24424, 29820, 30530, 36120, 36636, 42742, 45795, 59640, 61060, 64113, 73272, 85484, 91590, 106855, 122120, 128226, 170968, 183180, 213710, 256452, 320565, 366360, 427420, 512904, 641130, 854840, 1282260, 2564520]

約数ペア:

[(1, 2564520), (2, 1282260), (3, 854840), (4, 641130), (5, 512904), (6, 427420), (7, 366360), (8, 320565), (10, 256452), (12, 213710), (14, 183180), (15, 170968), (20, 128226), (21, 122120), (24, 106855), (28, 91590), (30, 85484), (35, 73272), (40, 64113), (42, 61060), (43, 59640), (56, 45795), (60, 42742), (70, 36636), (71, 36120), (84, 30530), (86, 29820), (105, 24424), (120, 21371), (129, 19880), (140, 18318), (142, 18060), (168, 15265), (172, 14910), (210, 12212), (213, 12040), (215, 11928), (258, 9940), (280, 9159), (284, 9030), (301, 8520), (344, 7455), (355, 7224), (420, 6106), (426, 6020), (430, 5964), (497, 5160), (516, 4970), (568, 4515), (602, 4260), (645, 3976), (710, 3612), (840, 3053), (852, 3010), (860, 2982), (903, 2840), (994, 2580), (1032, 2485), (1065, 2408), (1204, 2130), (1290, 1988), (1420, 1806), (1491, 1720), (1505, 1704)]