55422080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 154224000

約数和(自身を除く): 98801920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 139, 140, 160, 178, 224, 278, 280, 320, 356, 445, 448, 556, 560, 623, 640, 695, 712, 890, 896, 973, 1112, 1120, 1246, 1390, 1424, 1780, 1946, 2224, 2240, 2492, 2780, 2848, 3115, 3560, 3892, 4448, 4480, 4865, 4984, 5560, 5696, 6230, 7120, 7784, 8896, 9730, 9968, 11120, 11392, 12371, 12460, 14240, 15568, 17792, 19460, 19936, 22240, 24742, 24920, 28480, 31136, 38920, 39872, 44480, 49484, 49840, 56960, 61855, 62272, 77840, 79744, 86597, 88960, 98968, 99680, 123710, 124544, 155680, 173194, 197936, 199360, 247420, 311360, 346388, 395872, 398720, 432985, 494840, 622720, 692776, 791744, 865970, 989680, 1385552, 1583488, 1731940, 1979360, 2771104, 3463880, 3958720, 5542208, 6927760, 7917440, 11084416, 13855520, 27711040, 55422080]

約数ペア:

[(1, 55422080), (2, 27711040), (4, 13855520), (5, 11084416), (7, 7917440), (8, 6927760), (10, 5542208), (14, 3958720), (16, 3463880), (20, 2771104), (28, 1979360), (32, 1731940), (35, 1583488), (40, 1385552), (56, 989680), (64, 865970), (70, 791744), (80, 692776), (89, 622720), (112, 494840), (128, 432985), (139, 398720), (140, 395872), (160, 346388), (178, 311360), (224, 247420), (278, 199360), (280, 197936), (320, 173194), (356, 155680), (445, 124544), (448, 123710), (556, 99680), (560, 98968), (623, 88960), (640, 86597), (695, 79744), (712, 77840), (890, 62272), (896, 61855), (973, 56960), (1112, 49840), (1120, 49484), (1246, 44480), (1390, 39872), (1424, 38920), (1780, 31136), (1946, 28480), (2224, 24920), (2240, 24742), (2492, 22240), (2780, 19936), (2848, 19460), (3115, 17792), (3560, 15568), (3892, 14240), (4448, 12460), (4480, 12371), (4865, 11392), (4984, 11120), (5560, 9968), (5696, 9730), (6230, 8896), (7120, 7784)]