209304540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1520

約数の個数: 96

約数和(自身を含む): 653694720

約数和(自身を除く): 444390180

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, 331, 540, 662, 993, 1171, 1324, 1655, 1986, 2342, 2979, 3310, 3513, 3972, 4684, 4965, 5855, 5958, 6620, 7026, 8937, 9930, 10539, 11710, 11916, 14052, 14895, 17565, 17874, 19860, 21078, 23420, 29790, 31617, 35130, 35748, 42156, 44685, 52695, 59580, 63234, 70260, 89370, 105390, 126468, 158085, 178740, 210780, 316170, 387601, 632340, 775202, 1162803, 1550404, 1938005, 2325606, 3488409, 3876010, 4651212, 5814015, 6976818, 7752020, 10465227, 11628030, 13953636, 17442045, 20930454, 23256060, 34884090, 41860908, 52326135, 69768180, 104652270, 209304540]

約数ペア:

[(1, 209304540), (2, 104652270), (3, 69768180), (4, 52326135), (5, 41860908), (6, 34884090), (9, 23256060), (10, 20930454), (12, 17442045), (15, 13953636), (18, 11628030), (20, 10465227), (27, 7752020), (30, 6976818), (36, 5814015), (45, 4651212), (54, 3876010), (60, 3488409), (90, 2325606), (108, 1938005), (135, 1550404), (180, 1162803), (270, 775202), (331, 632340), (540, 387601), (662, 316170), (993, 210780), (1171, 178740), (1324, 158085), (1655, 126468), (1986, 105390), (2342, 89370), (2979, 70260), (3310, 63234), (3513, 59580), (3972, 52695), (4684, 44685), (4965, 42156), (5855, 35748), (5958, 35130), (6620, 31617), (7026, 29790), (8937, 23420), (9930, 21078), (10539, 19860), (11710, 17874), (11916, 17565), (14052, 14895)]