217179660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27631}}^1$

素因数の和:27774

約数の個数: 48

約数和(自身を含む): 612767232

約数和(自身を除く): 395587572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 27631, 55262, 82893, 110524, 138155, 165786, 276310, 331572, 414465, 552620, 828930, 1657860, 3619661, 7239322, 10858983, 14478644, 18098305, 21717966, 36196610, 43435932, 54294915, 72393220, 108589830, 217179660]

約数ペア:

[(1, 217179660), (2, 108589830), (3, 72393220), (4, 54294915), (5, 43435932), (6, 36196610), (10, 21717966), (12, 18098305), (15, 14478644), (20, 10858983), (30, 7239322), (60, 3619661), (131, 1657860), (262, 828930), (393, 552620), (524, 414465), (655, 331572), (786, 276310), (1310, 165786), (1572, 138155), (1965, 110524), (2620, 82893), (3930, 55262), (7860, 27631)]