77664420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:463

約数の個数: 120

約数和(自身を含む): 245887488

約数和(自身を除く): 168223068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 191, 251, 270, 324, 382, 405, 502, 540, 573, 753, 764, 810, 955, 1004, 1146, 1255, 1506, 1620, 1719, 1910, 2259, 2292, 2510, 2865, 3012, 3438, 3765, 3820, 4518, 5020, 5157, 5730, 6777, 6876, 7530, 8595, 9036, 10314, 11295, 11460, 13554, 15060, 15471, 17190, 20331, 20628, 22590, 25785, 27108, 30942, 33885, 34380, 40662, 45180, 47941, 51570, 61884, 67770, 77355, 81324, 95882, 101655, 103140, 135540, 143823, 154710, 191764, 203310, 239705, 287646, 309420, 406620, 431469, 479410, 575292, 719115, 862938, 958820, 1294407, 1438230, 1725876, 2157345, 2588814, 2876460, 3883221, 4314690, 5177628, 6472035, 7766442, 8629380, 12944070, 15532884, 19416105, 25888140, 38832210, 77664420]

約数ペア:

[(1, 77664420), (2, 38832210), (3, 25888140), (4, 19416105), (5, 15532884), (6, 12944070), (9, 8629380), (10, 7766442), (12, 6472035), (15, 5177628), (18, 4314690), (20, 3883221), (27, 2876460), (30, 2588814), (36, 2157345), (45, 1725876), (54, 1438230), (60, 1294407), (81, 958820), (90, 862938), (108, 719115), (135, 575292), (162, 479410), (180, 431469), (191, 406620), (251, 309420), (270, 287646), (324, 239705), (382, 203310), (405, 191764), (502, 154710), (540, 143823), (573, 135540), (753, 103140), (764, 101655), (810, 95882), (955, 81324), (1004, 77355), (1146, 67770), (1255, 61884), (1506, 51570), (1620, 47941), (1719, 45180), (1910, 40662), (2259, 34380), (2292, 33885), (2510, 30942), (2865, 27108), (3012, 25785), (3438, 22590), (3765, 20628), (3820, 20331), (4518, 17190), (5020, 15471), (5157, 15060), (5730, 13554), (6777, 11460), (6876, 11295), (7530, 10314), (8595, 9036)]