86778270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{971}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 232346880

約数和(自身を除く): 145568610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 331, 662, 971, 993, 1655, 1942, 1986, 2913, 2979, 3310, 4855, 4965, 5826, 5958, 8739, 8937, 9710, 9930, 14565, 14895, 17478, 17874, 26217, 29130, 29790, 43695, 44685, 52434, 87390, 89370, 131085, 262170, 321401, 642802, 964203, 1607005, 1928406, 2892609, 3214010, 4821015, 5785218, 8677827, 9642030, 14463045, 17355654, 28926090, 43389135, 86778270]

約数ペア:

[(1, 86778270), (2, 43389135), (3, 28926090), (5, 17355654), (6, 14463045), (9, 9642030), (10, 8677827), (15, 5785218), (18, 4821015), (27, 3214010), (30, 2892609), (45, 1928406), (54, 1607005), (90, 964203), (135, 642802), (270, 321401), (331, 262170), (662, 131085), (971, 89370), (993, 87390), (1655, 52434), (1942, 44685), (1986, 43695), (2913, 29790), (2979, 29130), (3310, 26217), (4855, 17874), (4965, 17478), (5826, 14895), (5958, 14565), (8739, 9930), (8937, 9710)]