20161200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 66009168

約数和(自身を除く): 45847968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 53, 60, 75, 80, 100, 106, 120, 150, 159, 200, 212, 240, 265, 300, 317, 318, 400, 424, 530, 600, 634, 636, 795, 848, 951, 1060, 1200, 1268, 1272, 1325, 1585, 1590, 1902, 2120, 2536, 2544, 2650, 3170, 3180, 3804, 3975, 4240, 4755, 5072, 5300, 6340, 6360, 7608, 7925, 7950, 9510, 10600, 12680, 12720, 15216, 15850, 15900, 16801, 19020, 21200, 23775, 25360, 31700, 31800, 33602, 38040, 47550, 50403, 63400, 63600, 67204, 76080, 84005, 95100, 100806, 126800, 134408, 168010, 190200, 201612, 252015, 268816, 336020, 380400, 403224, 420025, 504030, 672040, 806448, 840050, 1008060, 1260075, 1344080, 1680100, 2016120, 2520150, 3360200, 4032240, 5040300, 6720400, 10080600, 20161200]

約数ペア:

[(1, 20161200), (2, 10080600), (3, 6720400), (4, 5040300), (5, 4032240), (6, 3360200), (8, 2520150), (10, 2016120), (12, 1680100), (15, 1344080), (16, 1260075), (20, 1008060), (24, 840050), (25, 806448), (30, 672040), (40, 504030), (48, 420025), (50, 403224), (53, 380400), (60, 336020), (75, 268816), (80, 252015), (100, 201612), (106, 190200), (120, 168010), (150, 134408), (159, 126800), (200, 100806), (212, 95100), (240, 84005), (265, 76080), (300, 67204), (317, 63600), (318, 63400), (400, 50403), (424, 47550), (530, 38040), (600, 33602), (634, 31800), (636, 31700), (795, 25360), (848, 23775), (951, 21200), (1060, 19020), (1200, 16801), (1268, 15900), (1272, 15850), (1325, 15216), (1585, 12720), (1590, 12680), (1902, 10600), (2120, 9510), (2536, 7950), (2544, 7925), (2650, 7608), (3170, 6360), (3180, 6340), (3804, 5300), (3975, 5072), (4240, 4755)]