20160840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24001}}^1$

素因数の和:24022

約数の個数: 64

約数和(自身を含む): 69125760

約数和(自身を除く): 48964920

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, 24001, 48002, 72003, 96004, 120005, 144006, 168007, 192008, 240010, 288012, 336014, 360015, 480020, 504021, 576024, 672028, 720030, 840035, 960040, 1008042, 1344056, 1440060, 1680070, 2016084, 2520105, 2880120, 3360140, 4032168, 5040210, 6720280, 10080420, 20160840]

約数ペア:

[(1, 20160840), (2, 10080420), (3, 6720280), (4, 5040210), (5, 4032168), (6, 3360140), (7, 2880120), (8, 2520105), (10, 2016084), (12, 1680070), (14, 1440060), (15, 1344056), (20, 1008042), (21, 960040), (24, 840035), (28, 720030), (30, 672028), (35, 576024), (40, 504021), (42, 480020), (56, 360015), (60, 336014), (70, 288012), (84, 240010), (105, 192008), (120, 168007), (140, 144006), (168, 120005), (210, 96004), (280, 72003), (420, 48002), (840, 24001)]