251581140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1601}}^1$

素因数の和:1719

約数の個数: 120

約数和(自身を含む): 797853672

約数和(自身を除く): 546272532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 180, 194, 270, 291, 324, 388, 405, 485, 540, 582, 810, 873, 970, 1164, 1455, 1601, 1620, 1746, 1940, 2619, 2910, 3202, 3492, 4365, 4803, 5238, 5820, 6404, 7857, 8005, 8730, 9606, 10476, 13095, 14409, 15714, 16010, 17460, 19212, 24015, 26190, 28818, 31428, 32020, 39285, 43227, 48030, 52380, 57636, 72045, 78570, 86454, 96060, 129681, 144090, 155297, 157140, 172908, 216135, 259362, 288180, 310594, 432270, 465891, 518724, 621188, 648405, 776485, 864540, 931782, 1296810, 1397673, 1552970, 1863564, 2329455, 2593620, 2795346, 3105940, 4193019, 4658910, 5590692, 6988365, 8386038, 9317820, 12579057, 13976730, 16772076, 20965095, 25158114, 27953460, 41930190, 50316228, 62895285, 83860380, 125790570, 251581140]

約数ペア:

[(1, 251581140), (2, 125790570), (3, 83860380), (4, 62895285), (5, 50316228), (6, 41930190), (9, 27953460), (10, 25158114), (12, 20965095), (15, 16772076), (18, 13976730), (20, 12579057), (27, 9317820), (30, 8386038), (36, 6988365), (45, 5590692), (54, 4658910), (60, 4193019), (81, 3105940), (90, 2795346), (97, 2593620), (108, 2329455), (135, 1863564), (162, 1552970), (180, 1397673), (194, 1296810), (270, 931782), (291, 864540), (324, 776485), (388, 648405), (405, 621188), (485, 518724), (540, 465891), (582, 432270), (810, 310594), (873, 288180), (970, 259362), (1164, 216135), (1455, 172908), (1601, 157140), (1620, 155297), (1746, 144090), (1940, 129681), (2619, 96060), (2910, 86454), (3202, 78570), (3492, 72045), (4365, 57636), (4803, 52380), (5238, 48030), (5820, 43227), (6404, 39285), (7857, 32020), (8005, 31428), (8730, 28818), (9606, 26190), (10476, 24015), (13095, 19212), (14409, 17460), (15714, 16010)]