18149580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1$

素因数の和:1783

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 37870020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1709, 1770, 2124, 2655, 3418, 3540, 5127, 5310, 6836, 8545, 10254, 10620, 15381, 17090, 20508, 25635, 30762, 34180, 51270, 61524, 76905, 100831, 102540, 153810, 201662, 302493, 307620, 403324, 504155, 604986, 907479, 1008310, 1209972, 1512465, 1814958, 2016620, 3024930, 3629916, 4537395, 6049860, 9074790, 18149580]

約数ペア:

[(1, 18149580), (2, 9074790), (3, 6049860), (4, 4537395), (5, 3629916), (6, 3024930), (9, 2016620), (10, 1814958), (12, 1512465), (15, 1209972), (18, 1008310), (20, 907479), (30, 604986), (36, 504155), (45, 403324), (59, 307620), (60, 302493), (90, 201662), (118, 153810), (177, 102540), (180, 100831), (236, 76905), (295, 61524), (354, 51270), (531, 34180), (590, 30762), (708, 25635), (885, 20508), (1062, 17090), (1180, 15381), (1709, 10620), (1770, 10254), (2124, 8545), (2655, 6836), (3418, 5310), (3540, 5127)]