201806820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4691}}^1$

素因数の和:4945

約数の個数: 72

約数和(自身を含む): 614839680

約数和(自身を除く): 413032860

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, 4691, 4780, 7170, 8604, 9382, 10755, 14073, 14340, 18764, 21510, 23455, 28146, 42219, 43020, 46910, 56292, 70365, 84438, 93820, 140730, 168876, 211095, 281460, 422190, 844380, 1121149, 2242298, 3363447, 4484596, 5605745, 6726894, 10090341, 11211490, 13453788, 16817235, 20180682, 22422980, 33634470, 40361364, 50451705, 67268940, 100903410, 201806820]

約数ペア:

[(1, 201806820), (2, 100903410), (3, 67268940), (4, 50451705), (5, 40361364), (6, 33634470), (9, 22422980), (10, 20180682), (12, 16817235), (15, 13453788), (18, 11211490), (20, 10090341), (30, 6726894), (36, 5605745), (45, 4484596), (60, 3363447), (90, 2242298), (180, 1121149), (239, 844380), (478, 422190), (717, 281460), (956, 211095), (1195, 168876), (1434, 140730), (2151, 93820), (2390, 84438), (2868, 70365), (3585, 56292), (4302, 46910), (4691, 43020), (4780, 42219), (7170, 28146), (8604, 23455), (9382, 21510), (10755, 18764), (14073, 14340)]