85108860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{397}}^2$

素因数の和:812

約数の個数: 72

約数和(自身を含む): 265451760

約数和(自身を除く): 180342900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 397, 540, 794, 1191, 1588, 1985, 2382, 3573, 3970, 4764, 5955, 7146, 7940, 10719, 11910, 14292, 17865, 21438, 23820, 35730, 42876, 53595, 71460, 107190, 157609, 214380, 315218, 472827, 630436, 788045, 945654, 1418481, 1576090, 1891308, 2364135, 2836962, 3152180, 4255443, 4728270, 5673924, 7092405, 8510886, 9456540, 14184810, 17021772, 21277215, 28369620, 42554430, 85108860]

約数ペア:

[(1, 85108860), (2, 42554430), (3, 28369620), (4, 21277215), (5, 17021772), (6, 14184810), (9, 9456540), (10, 8510886), (12, 7092405), (15, 5673924), (18, 4728270), (20, 4255443), (27, 3152180), (30, 2836962), (36, 2364135), (45, 1891308), (54, 1576090), (60, 1418481), (90, 945654), (108, 788045), (135, 630436), (180, 472827), (270, 315218), (397, 214380), (540, 157609), (794, 107190), (1191, 71460), (1588, 53595), (1985, 42876), (2382, 35730), (3573, 23820), (3970, 21438), (4764, 17865), (5955, 14292), (7146, 11910), (7940, 10719)]