65978920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3517}}^1$

素因数の和:3602

約数の個数: 64

約数和(自身を含む): 172241280

約数和(自身を除く): 106262360

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, 3517, 3752, 4690, 7034, 9380, 14068, 17585, 18760, 24619, 28136, 35170, 49238, 70340, 98476, 123095, 140680, 196952, 235639, 246190, 471278, 492380, 942556, 984760, 1178195, 1649473, 1885112, 2356390, 3298946, 4712780, 6597892, 8247365, 9425560, 13195784, 16494730, 32989460, 65978920]

約数ペア:

[(1, 65978920), (2, 32989460), (4, 16494730), (5, 13195784), (7, 9425560), (8, 8247365), (10, 6597892), (14, 4712780), (20, 3298946), (28, 2356390), (35, 1885112), (40, 1649473), (56, 1178195), (67, 984760), (70, 942556), (134, 492380), (140, 471278), (268, 246190), (280, 235639), (335, 196952), (469, 140680), (536, 123095), (670, 98476), (938, 70340), (1340, 49238), (1876, 35170), (2345, 28136), (2680, 24619), (3517, 18760), (3752, 17585), (4690, 14068), (7034, 9380)]