28056060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1973}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 86224320

約数和(自身を除く): 58168260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 1973, 2370, 2844, 3555, 3946, 4740, 5919, 7110, 7892, 9865, 11838, 14220, 17757, 19730, 23676, 29595, 35514, 39460, 59190, 71028, 88785, 118380, 155867, 177570, 311734, 355140, 467601, 623468, 779335, 935202, 1402803, 1558670, 1870404, 2338005, 2805606, 3117340, 4676010, 5611212, 7014015, 9352020, 14028030, 28056060]

約数ペア:

[(1, 28056060), (2, 14028030), (3, 9352020), (4, 7014015), (5, 5611212), (6, 4676010), (9, 3117340), (10, 2805606), (12, 2338005), (15, 1870404), (18, 1558670), (20, 1402803), (30, 935202), (36, 779335), (45, 623468), (60, 467601), (79, 355140), (90, 311734), (158, 177570), (180, 155867), (237, 118380), (316, 88785), (395, 71028), (474, 59190), (711, 39460), (790, 35514), (948, 29595), (1185, 23676), (1422, 19730), (1580, 17757), (1973, 14220), (2370, 11838), (2844, 9865), (3555, 7892), (3946, 7110), (4740, 5919)]