64965880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3463}}^1$

素因数の和:3548

約数の個数: 64

約数和(自身を含む): 169597440

約数和(自身を除く): 104631560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3463, 3752, 4690, 6926, 9380, 13852, 17315, 18760, 24241, 27704, 34630, 48482, 69260, 96964, 121205, 138520, 193928, 232021, 242410, 464042, 484820, 928084, 969640, 1160105, 1624147, 1856168, 2320210, 3248294, 4640420, 6496588, 8120735, 9280840, 12993176, 16241470, 32482940, 64965880]

約数ペア:

[(1, 64965880), (2, 32482940), (4, 16241470), (5, 12993176), (7, 9280840), (8, 8120735), (10, 6496588), (14, 4640420), (20, 3248294), (28, 2320210), (35, 1856168), (40, 1624147), (56, 1160105), (67, 969640), (70, 928084), (134, 484820), (140, 464042), (268, 242410), (280, 232021), (335, 193928), (469, 138520), (536, 121205), (670, 96964), (938, 69260), (1340, 48482), (1876, 34630), (2345, 27704), (2680, 24241), (3463, 18760), (3752, 17315), (4690, 13852), (6926, 9380)]