911636820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21191}}^1$

素因数の和:21445

約数の個数: 72

約数和(自身を含む): 2776999680

約数和(自身を除く): 1865362860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 7170, 8604, 10755, 14340, 21191, 21510, 42382, 43020, 63573, 84764, 105955, 127146, 190719, 211910, 254292, 317865, 381438, 423820, 635730, 762876, 953595, 1271460, 1907190, 3814380, 5064649, 10129298, 15193947, 20258596, 25323245, 30387894, 45581841, 50646490, 60775788, 75969735, 91163682, 101292980, 151939470, 182327364, 227909205, 303878940, 455818410, 911636820]

約数ペア:

[(1, 911636820), (2, 455818410), (3, 303878940), (4, 227909205), (5, 182327364), (6, 151939470), (9, 101292980), (10, 91163682), (12, 75969735), (15, 60775788), (18, 50646490), (20, 45581841), (30, 30387894), (36, 25323245), (45, 20258596), (60, 15193947), (90, 10129298), (180, 5064649), (239, 3814380), (478, 1907190), (717, 1271460), (956, 953595), (1195, 762876), (1434, 635730), (2151, 423820), (2390, 381438), (2868, 317865), (3585, 254292), (4302, 211910), (4780, 190719), (7170, 127146), (8604, 105955), (10755, 84764), (14340, 63573), (21191, 43020), (21510, 42382)]