31720068

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 84820736

約数和(自身を除く): 53100668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 516, 558, 661, 774, 1116, 1322, 1333, 1548, 1983, 2644, 2666, 3966, 3999, 5332, 5949, 7932, 7998, 11898, 11997, 15996, 20491, 23796, 23994, 28423, 40982, 47988, 56846, 61473, 81964, 85269, 113692, 122946, 170538, 184419, 245892, 255807, 341076, 368838, 511614, 737676, 881113, 1023228, 1762226, 2643339, 3524452, 5286678, 7930017, 10573356, 15860034, 31720068]

約数ペア:

[(1, 31720068), (2, 15860034), (3, 10573356), (4, 7930017), (6, 5286678), (9, 3524452), (12, 2643339), (18, 1762226), (31, 1023228), (36, 881113), (43, 737676), (62, 511614), (86, 368838), (93, 341076), (124, 255807), (129, 245892), (172, 184419), (186, 170538), (258, 122946), (279, 113692), (372, 85269), (387, 81964), (516, 61473), (558, 56846), (661, 47988), (774, 40982), (1116, 28423), (1322, 23994), (1333, 23796), (1548, 20491), (1983, 15996), (2644, 11997), (2666, 11898), (3966, 7998), (3999, 7932), (5332, 5949)]