171307760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1450

約数の個数: 80

約数和(自身を含む): 432638976

約数和(自身を除く): 261331216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1297, 1651, 2032, 2540, 2594, 3302, 5080, 5188, 6485, 6604, 8255, 10160, 10376, 12970, 13208, 16510, 16861, 20752, 25940, 26416, 33020, 33722, 51880, 66040, 67444, 84305, 103760, 132080, 134888, 164719, 168610, 269776, 329438, 337220, 658876, 674440, 823595, 1317752, 1348880, 1647190, 2141347, 2635504, 3294380, 4282694, 6588760, 8565388, 10706735, 13177520, 17130776, 21413470, 34261552, 42826940, 85653880, 171307760]

約数ペア:

[(1, 171307760), (2, 85653880), (4, 42826940), (5, 34261552), (8, 21413470), (10, 17130776), (13, 13177520), (16, 10706735), (20, 8565388), (26, 6588760), (40, 4282694), (52, 3294380), (65, 2635504), (80, 2141347), (104, 1647190), (127, 1348880), (130, 1317752), (208, 823595), (254, 674440), (260, 658876), (508, 337220), (520, 329438), (635, 269776), (1016, 168610), (1040, 164719), (1270, 134888), (1297, 132080), (1651, 103760), (2032, 84305), (2540, 67444), (2594, 66040), (3302, 51880), (5080, 33722), (5188, 33020), (6485, 26416), (6604, 25940), (8255, 20752), (10160, 16861), (10376, 16510), (12970, 13208)]