28291140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52391}}^1$

素因数の和:52409

約数の個数: 48

約数和(自身を含む): 88018560

約数和(自身を除く): 59727420

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, 540, 52391, 104782, 157173, 209564, 261955, 314346, 471519, 523910, 628692, 785865, 943038, 1047820, 1414557, 1571730, 1886076, 2357595, 2829114, 3143460, 4715190, 5658228, 7072785, 9430380, 14145570, 28291140]

約数ペア:

[(1, 28291140), (2, 14145570), (3, 9430380), (4, 7072785), (5, 5658228), (6, 4715190), (9, 3143460), (10, 2829114), (12, 2357595), (15, 1886076), (18, 1571730), (20, 1414557), (27, 1047820), (30, 943038), (36, 785865), (45, 628692), (54, 523910), (60, 471519), (90, 314346), (108, 261955), (135, 209564), (180, 157173), (270, 104782), (540, 52391)]