663716820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27449}}^1$

素因数の和:27505

約数の個数: 96

約数和(自身を含む): 2065996800

約数和(自身を除く): 1402279980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 24180, 27449, 54898, 82347, 109796, 137245, 164694, 274490, 329388, 356837, 411735, 548980, 713674, 823470, 850919, 1070511, 1427348, 1646940, 1701838, 1784185, 2141022, 2552757, 3403676, 3568370, 4254595, 4282044, 5105514, 5352555, 7136740, 8509190, 10211028, 10705110, 11061947, 12763785, 17018380, 21410220, 22123894, 25527570, 33185841, 44247788, 51055140, 55309735, 66371682, 110619470, 132743364, 165929205, 221238940, 331858410, 663716820]

約数ペア:

[(1, 663716820), (2, 331858410), (3, 221238940), (4, 165929205), (5, 132743364), (6, 110619470), (10, 66371682), (12, 55309735), (13, 51055140), (15, 44247788), (20, 33185841), (26, 25527570), (30, 22123894), (31, 21410220), (39, 17018380), (52, 12763785), (60, 11061947), (62, 10705110), (65, 10211028), (78, 8509190), (93, 7136740), (124, 5352555), (130, 5105514), (155, 4282044), (156, 4254595), (186, 3568370), (195, 3403676), (260, 2552757), (310, 2141022), (372, 1784185), (390, 1701838), (403, 1646940), (465, 1427348), (620, 1070511), (780, 850919), (806, 823470), (930, 713674), (1209, 548980), (1612, 411735), (1860, 356837), (2015, 329388), (2418, 274490), (4030, 164694), (4836, 137245), (6045, 109796), (8060, 82347), (12090, 54898), (24180, 27449)]