81303870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13757}}^1$

素因数の和:13964

約数の個数: 32

約数和(自身を含む): 196134048

約数和(自身を除く): 114830178

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 5910, 13757, 27514, 41271, 68785, 82542, 137570, 206355, 412710, 2710129, 5420258, 8130387, 13550645, 16260774, 27101290, 40651935, 81303870]

約数ペア:

[(1, 81303870), (2, 40651935), (3, 27101290), (5, 16260774), (6, 13550645), (10, 8130387), (15, 5420258), (30, 2710129), (197, 412710), (394, 206355), (591, 137570), (985, 82542), (1182, 68785), (1970, 41271), (2955, 27514), (5910, 13757)]