201605880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{240007}}^1$

素因数の和:240028

約数の個数: 64

約数和(自身を含む): 691223040

約数和(自身を除く): 489617160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 240007, 480014, 720021, 960028, 1200035, 1440042, 1680049, 1920056, 2400070, 2880084, 3360098, 3600105, 4800140, 5040147, 5760168, 6720196, 7200210, 8400245, 9600280, 10080294, 13440392, 14400420, 16800490, 20160588, 25200735, 28800840, 33600980, 40321176, 50401470, 67201960, 100802940, 201605880]

約数ペア:

[(1, 201605880), (2, 100802940), (3, 67201960), (4, 50401470), (5, 40321176), (6, 33600980), (7, 28800840), (8, 25200735), (10, 20160588), (12, 16800490), (14, 14400420), (15, 13440392), (20, 10080294), (21, 9600280), (24, 8400245), (28, 7200210), (30, 6720196), (35, 5760168), (40, 5040147), (42, 4800140), (56, 3600105), (60, 3360098), (70, 2880084), (84, 2400070), (105, 1920056), (120, 1680049), (140, 1440042), (168, 1200035), (210, 960028), (280, 720021), (420, 480014), (840, 240007)]