261111390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1693}}^1$

素因数の和:1853

約数の個数: 64

約数和(自身を含む): 645454656

約数和(自身を除く): 384343266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 97, 106, 159, 194, 265, 291, 318, 485, 530, 582, 795, 970, 1455, 1590, 1693, 2910, 3386, 5079, 5141, 8465, 10158, 10282, 15423, 16930, 25395, 25705, 30846, 50790, 51410, 77115, 89729, 154230, 164221, 179458, 269187, 328442, 448645, 492663, 538374, 821105, 897290, 985326, 1345935, 1642210, 2463315, 2691870, 4926630, 8703713, 17407426, 26111139, 43518565, 52222278, 87037130, 130555695, 261111390]

約数ペア:

[(1, 261111390), (2, 130555695), (3, 87037130), (5, 52222278), (6, 43518565), (10, 26111139), (15, 17407426), (30, 8703713), (53, 4926630), (97, 2691870), (106, 2463315), (159, 1642210), (194, 1345935), (265, 985326), (291, 897290), (318, 821105), (485, 538374), (530, 492663), (582, 448645), (795, 328442), (970, 269187), (1455, 179458), (1590, 164221), (1693, 154230), (2910, 89729), (3386, 77115), (5079, 51410), (5141, 50790), (8465, 30846), (10158, 25705), (10282, 25395), (15423, 16930)]