40298220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1709}}^1$

素因数の和:1855

約数の個数: 72

約数和(自身を含む): 123243120

約数和(自身を除く): 82944900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1709, 1965, 2358, 2620, 3418, 3930, 4716, 5127, 5895, 6836, 7860, 8545, 10254, 11790, 15381, 17090, 20508, 23580, 25635, 30762, 34180, 51270, 61524, 76905, 102540, 153810, 223879, 307620, 447758, 671637, 895516, 1119395, 1343274, 2014911, 2238790, 2686548, 3358185, 4029822, 4477580, 6716370, 8059644, 10074555, 13432740, 20149110, 40298220]

約数ペア:

[(1, 40298220), (2, 20149110), (3, 13432740), (4, 10074555), (5, 8059644), (6, 6716370), (9, 4477580), (10, 4029822), (12, 3358185), (15, 2686548), (18, 2238790), (20, 2014911), (30, 1343274), (36, 1119395), (45, 895516), (60, 671637), (90, 447758), (131, 307620), (180, 223879), (262, 153810), (393, 102540), (524, 76905), (655, 61524), (786, 51270), (1179, 34180), (1310, 30762), (1572, 25635), (1709, 23580), (1965, 20508), (2358, 17090), (2620, 15381), (3418, 11790), (3930, 10254), (4716, 8545), (5127, 7860), (5895, 6836)]