2018573180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{5479}}^1$

素因数の和:5623

約数の個数: 72

約数和(自身を含む): 4633120800

約数和(自身を除く): 2614547620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 169, 218, 260, 338, 436, 545, 676, 845, 1090, 1417, 1690, 2180, 2834, 3380, 5479, 5668, 7085, 10958, 14170, 18421, 21916, 27395, 28340, 36842, 54790, 71227, 73684, 92105, 109580, 142454, 184210, 284908, 356135, 368420, 597211, 712270, 925951, 1194422, 1424540, 1851902, 2388844, 2986055, 3703804, 4629755, 5972110, 7763743, 9259510, 11944220, 15527486, 18519020, 31054972, 38818715, 77637430, 100928659, 155274860, 201857318, 403714636, 504643295, 1009286590, 2018573180]

約数ペア:

[(1, 2018573180), (2, 1009286590), (4, 504643295), (5, 403714636), (10, 201857318), (13, 155274860), (20, 100928659), (26, 77637430), (52, 38818715), (65, 31054972), (109, 18519020), (130, 15527486), (169, 11944220), (218, 9259510), (260, 7763743), (338, 5972110), (436, 4629755), (545, 3703804), (676, 2986055), (845, 2388844), (1090, 1851902), (1417, 1424540), (1690, 1194422), (2180, 925951), (2834, 712270), (3380, 597211), (5479, 368420), (5668, 356135), (7085, 284908), (10958, 184210), (14170, 142454), (18421, 109580), (21916, 92105), (27395, 73684), (28340, 71227), (36842, 54790)]