66938220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1447}}^1$

素因数の和:1719

約数の個数: 72

約数和(自身を含む): 203976864

約数和(自身を除く): 137038644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1447, 1542, 2313, 2570, 2894, 3084, 3855, 4341, 4626, 5140, 5788, 7235, 7710, 8682, 9252, 11565, 13023, 14470, 15420, 17364, 21705, 23130, 26046, 28940, 43410, 46260, 52092, 65115, 86820, 130230, 260460, 371879, 743758, 1115637, 1487516, 1859395, 2231274, 3346911, 3718790, 4462548, 5578185, 6693822, 7437580, 11156370, 13387644, 16734555, 22312740, 33469110, 66938220]

約数ペア:

[(1, 66938220), (2, 33469110), (3, 22312740), (4, 16734555), (5, 13387644), (6, 11156370), (9, 7437580), (10, 6693822), (12, 5578185), (15, 4462548), (18, 3718790), (20, 3346911), (30, 2231274), (36, 1859395), (45, 1487516), (60, 1115637), (90, 743758), (180, 371879), (257, 260460), (514, 130230), (771, 86820), (1028, 65115), (1285, 52092), (1447, 46260), (1542, 43410), (2313, 28940), (2570, 26046), (2894, 23130), (3084, 21705), (3855, 17364), (4341, 15420), (4626, 14470), (5140, 13023), (5788, 11565), (7235, 9252), (7710, 8682)]