128538144

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 437633280

約数和(自身を除く): 309095136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 53, 54, 56, 63, 72, 84, 96, 106, 108, 112, 126, 144, 159, 168, 189, 212, 216, 224, 252, 288, 318, 336, 371, 378, 401, 424, 432, 477, 504, 636, 672, 742, 756, 802, 848, 864, 954, 1008, 1113, 1203, 1272, 1431, 1484, 1512, 1604, 1696, 1908, 2016, 2226, 2406, 2544, 2807, 2862, 2968, 3024, 3208, 3339, 3609, 3816, 4452, 4812, 5088, 5614, 5724, 5936, 6048, 6416, 6678, 7218, 7632, 8421, 8904, 9624, 10017, 10827, 11228, 11448, 11872, 12832, 13356, 14436, 15264, 16842, 17808, 19248, 20034, 21253, 21654, 22456, 22896, 25263, 26712, 28872, 33684, 35616, 38496, 40068, 42506, 43308, 44912, 45792, 50526, 53424, 57744, 63759, 67368, 75789, 80136, 85012, 86616, 89824, 101052, 106848, 115488, 127518, 134736, 148771, 151578, 160272, 170024, 173232, 191277, 202104, 255036, 269472, 297542, 303156, 320544, 340048, 346464, 382554, 404208, 446313, 510072, 573831, 595084, 606312, 680096, 765108, 808416, 892626, 1020144, 1147662, 1190168, 1212624, 1338939, 1530216, 1785252, 2040288, 2295324, 2380336, 2425248, 2677878, 3060432, 3570504, 4016817, 4590648, 4760672, 5355756, 6120864, 7141008, 8033634, 9181296, 10711512, 14282016, 16067268, 18362592, 21423024, 32134536, 42846048, 64269072, 128538144]

約数ペア:

[(1, 128538144), (2, 64269072), (3, 42846048), (4, 32134536), (6, 21423024), (7, 18362592), (8, 16067268), (9, 14282016), (12, 10711512), (14, 9181296), (16, 8033634), (18, 7141008), (21, 6120864), (24, 5355756), (27, 4760672), (28, 4590648), (32, 4016817), (36, 3570504), (42, 3060432), (48, 2677878), (53, 2425248), (54, 2380336), (56, 2295324), (63, 2040288), (72, 1785252), (84, 1530216), (96, 1338939), (106, 1212624), (108, 1190168), (112, 1147662), (126, 1020144), (144, 892626), (159, 808416), (168, 765108), (189, 680096), (212, 606312), (216, 595084), (224, 573831), (252, 510072), (288, 446313), (318, 404208), (336, 382554), (371, 346464), (378, 340048), (401, 320544), (424, 303156), (432, 297542), (477, 269472), (504, 255036), (636, 202104), (672, 191277), (742, 173232), (756, 170024), (802, 160272), (848, 151578), (864, 148771), (954, 134736), (1008, 127518), (1113, 115488), (1203, 106848), (1272, 101052), (1431, 89824), (1484, 86616), (1512, 85012), (1604, 80136), (1696, 75789), (1908, 67368), (2016, 63759), (2226, 57744), (2406, 53424), (2544, 50526), (2807, 45792), (2862, 44912), (2968, 43308), (3024, 42506), (3208, 40068), (3339, 38496), (3609, 35616), (3816, 33684), (4452, 28872), (4812, 26712), (5088, 25263), (5614, 22896), (5724, 22456), (5936, 21654), (6048, 21253), (6416, 20034), (6678, 19248), (7218, 17808), (7632, 16842), (8421, 15264), (8904, 14436), (9624, 13356), (10017, 12832), (10827, 11872), (11228, 11448)]