121141620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9479}}^1$

素因数の和:9565

約数の個数: 72

約数和(自身を含む): 372677760

約数和(自身を除く): 251536140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 9479, 12780, 18958, 28437, 37916, 47395, 56874, 85311, 94790, 113748, 142185, 170622, 189580, 284370, 341244, 426555, 568740, 673009, 853110, 1346018, 1706220, 2019027, 2692036, 3365045, 4038054, 6057081, 6730090, 8076108, 10095135, 12114162, 13460180, 20190270, 24228324, 30285405, 40380540, 60570810, 121141620]

約数ペア:

[(1, 121141620), (2, 60570810), (3, 40380540), (4, 30285405), (5, 24228324), (6, 20190270), (9, 13460180), (10, 12114162), (12, 10095135), (15, 8076108), (18, 6730090), (20, 6057081), (30, 4038054), (36, 3365045), (45, 2692036), (60, 2019027), (71, 1706220), (90, 1346018), (142, 853110), (180, 673009), (213, 568740), (284, 426555), (355, 341244), (426, 284370), (639, 189580), (710, 170622), (852, 142185), (1065, 113748), (1278, 94790), (1420, 85311), (2130, 56874), (2556, 47395), (3195, 37916), (4260, 28437), (6390, 18958), (9479, 12780)]