1340807940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1090

約数の個数: 144

約数和(自身を含む): 4186518336

約数和(自身を除く): 2845710396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 211, 215, 258, 387, 422, 430, 516, 633, 645, 774, 821, 844, 860, 1055, 1266, 1290, 1548, 1642, 1899, 1935, 2110, 2463, 2532, 2580, 3165, 3284, 3798, 3870, 4105, 4220, 4926, 6330, 7389, 7596, 7740, 8210, 9073, 9495, 9852, 12315, 12660, 14778, 16420, 18146, 18990, 24630, 27219, 29556, 35303, 36292, 36945, 37980, 45365, 49260, 54438, 70606, 73890, 81657, 90730, 105909, 108876, 136095, 141212, 147780, 163314, 173231, 176515, 181460, 211818, 272190, 317727, 326628, 346462, 353030, 408285, 423636, 519693, 529545, 544380, 635454, 692924, 706060, 816570, 866155, 1039386, 1059090, 1270908, 1559079, 1588635, 1633140, 1732310, 2078772, 2118180, 2598465, 3118158, 3177270, 3464620, 5196930, 6236316, 6354540, 7448933, 7795395, 10393860, 14897866, 15590790, 22346799, 29795732, 31181580, 37244665, 44693598, 67040397, 74489330, 89387196, 111733995, 134080794, 148978660, 223467990, 268161588, 335201985, 446935980, 670403970, 1340807940]

約数ペア:

[(1, 1340807940), (2, 670403970), (3, 446935980), (4, 335201985), (5, 268161588), (6, 223467990), (9, 148978660), (10, 134080794), (12, 111733995), (15, 89387196), (18, 74489330), (20, 67040397), (30, 44693598), (36, 37244665), (43, 31181580), (45, 29795732), (60, 22346799), (86, 15590790), (90, 14897866), (129, 10393860), (172, 7795395), (180, 7448933), (211, 6354540), (215, 6236316), (258, 5196930), (387, 3464620), (422, 3177270), (430, 3118158), (516, 2598465), (633, 2118180), (645, 2078772), (774, 1732310), (821, 1633140), (844, 1588635), (860, 1559079), (1055, 1270908), (1266, 1059090), (1290, 1039386), (1548, 866155), (1642, 816570), (1899, 706060), (1935, 692924), (2110, 635454), (2463, 544380), (2532, 529545), (2580, 519693), (3165, 423636), (3284, 408285), (3798, 353030), (3870, 346462), (4105, 326628), (4220, 317727), (4926, 272190), (6330, 211818), (7389, 181460), (7596, 176515), (7740, 173231), (8210, 163314), (9073, 147780), (9495, 141212), (9852, 136095), (12315, 108876), (12660, 105909), (14778, 90730), (16420, 81657), (18146, 73890), (18990, 70606), (24630, 54438), (27219, 49260), (29556, 45365), (35303, 37980), (36292, 36945)]