247698180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17419}}^1$

素因数の和:17513

約数の個数: 72

約数和(自身を含む): 760905600

約数和(自身を除く): 513207420

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, 2370, 2844, 3555, 4740, 7110, 14220, 17419, 34838, 52257, 69676, 87095, 104514, 156771, 174190, 209028, 261285, 313542, 348380, 522570, 627084, 783855, 1045140, 1376101, 1567710, 2752202, 3135420, 4128303, 5504404, 6880505, 8256606, 12384909, 13761010, 16513212, 20641515, 24769818, 27522020, 41283030, 49539636, 61924545, 82566060, 123849090, 247698180]

約数ペア:

[(1, 247698180), (2, 123849090), (3, 82566060), (4, 61924545), (5, 49539636), (6, 41283030), (9, 27522020), (10, 24769818), (12, 20641515), (15, 16513212), (18, 13761010), (20, 12384909), (30, 8256606), (36, 6880505), (45, 5504404), (60, 4128303), (79, 3135420), (90, 2752202), (158, 1567710), (180, 1376101), (237, 1045140), (316, 783855), (395, 627084), (474, 522570), (711, 348380), (790, 313542), (948, 261285), (1185, 209028), (1422, 174190), (1580, 156771), (2370, 104514), (2844, 87095), (3555, 69676), (4740, 52257), (7110, 34838), (14220, 17419)]