127521520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{32531}}^1$

素因数の和:32558

約数の個数: 60

約数和(自身を含む): 344904264

約数和(自身を除く): 217382744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 32531, 65062, 130124, 162655, 227717, 260248, 325310, 455434, 520496, 650620, 910868, 1138585, 1301240, 1594019, 1821736, 2277170, 2602480, 3188038, 3643472, 4554340, 6376076, 7970095, 9108680, 12752152, 15940190, 18217360, 25504304, 31880380, 63760760, 127521520]

約数ペア:

[(1, 127521520), (2, 63760760), (4, 31880380), (5, 25504304), (7, 18217360), (8, 15940190), (10, 12752152), (14, 9108680), (16, 7970095), (20, 6376076), (28, 4554340), (35, 3643472), (40, 3188038), (49, 2602480), (56, 2277170), (70, 1821736), (80, 1594019), (98, 1301240), (112, 1138585), (140, 910868), (196, 650620), (245, 520496), (280, 455434), (392, 325310), (490, 260248), (560, 227717), (784, 162655), (980, 130124), (1960, 65062), (3920, 32531)]