260956920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{310663}}^1$

素因数の和:310684

約数の個数: 64

約数和(自身を含む): 894712320

約数和(自身を除く): 633755400

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, 310663, 621326, 931989, 1242652, 1553315, 1863978, 2174641, 2485304, 3106630, 3727956, 4349282, 4659945, 6213260, 6523923, 7455912, 8698564, 9319890, 10873205, 12426520, 13047846, 17397128, 18639780, 21746410, 26095692, 32619615, 37279560, 43492820, 52191384, 65239230, 86985640, 130478460, 260956920]

約数ペア:

[(1, 260956920), (2, 130478460), (3, 86985640), (4, 65239230), (5, 52191384), (6, 43492820), (7, 37279560), (8, 32619615), (10, 26095692), (12, 21746410), (14, 18639780), (15, 17397128), (20, 13047846), (21, 12426520), (24, 10873205), (28, 9319890), (30, 8698564), (35, 7455912), (40, 6523923), (42, 6213260), (56, 4659945), (60, 4349282), (70, 3727956), (84, 3106630), (105, 2485304), (120, 2174641), (140, 1863978), (168, 1553315), (210, 1242652), (280, 931989), (420, 621326), (840, 310663)]