256431780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1933}}^1$

素因数の和:2026

約数の個数: 144

約数和(自身を含む): 861666624

約数和(自身を除く): 605234844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 67, 90, 99, 110, 132, 134, 165, 180, 198, 201, 220, 268, 330, 335, 396, 402, 495, 603, 660, 670, 737, 804, 990, 1005, 1206, 1340, 1474, 1933, 1980, 2010, 2211, 2412, 2948, 3015, 3685, 3866, 4020, 4422, 5799, 6030, 6633, 7370, 7732, 8844, 9665, 11055, 11598, 12060, 13266, 14740, 17397, 19330, 21263, 22110, 23196, 26532, 28995, 33165, 34794, 38660, 42526, 44220, 57990, 63789, 66330, 69588, 85052, 86985, 106315, 115980, 127578, 129511, 132660, 173970, 191367, 212630, 255156, 259022, 318945, 347940, 382734, 388533, 425260, 518044, 637890, 647555, 765468, 777066, 956835, 1165599, 1275780, 1295110, 1424621, 1554132, 1913670, 1942665, 2331198, 2590220, 2849242, 3827340, 3885330, 4273863, 4662396, 5698484, 5827995, 7123105, 7770660, 8547726, 11655990, 12821589, 14246210, 17095452, 21369315, 23311980, 25643178, 28492420, 42738630, 51286356, 64107945, 85477260, 128215890, 256431780]

約数ペア:

[(1, 256431780), (2, 128215890), (3, 85477260), (4, 64107945), (5, 51286356), (6, 42738630), (9, 28492420), (10, 25643178), (11, 23311980), (12, 21369315), (15, 17095452), (18, 14246210), (20, 12821589), (22, 11655990), (30, 8547726), (33, 7770660), (36, 7123105), (44, 5827995), (45, 5698484), (55, 4662396), (60, 4273863), (66, 3885330), (67, 3827340), (90, 2849242), (99, 2590220), (110, 2331198), (132, 1942665), (134, 1913670), (165, 1554132), (180, 1424621), (198, 1295110), (201, 1275780), (220, 1165599), (268, 956835), (330, 777066), (335, 765468), (396, 647555), (402, 637890), (495, 518044), (603, 425260), (660, 388533), (670, 382734), (737, 347940), (804, 318945), (990, 259022), (1005, 255156), (1206, 212630), (1340, 191367), (1474, 173970), (1933, 132660), (1980, 129511), (2010, 127578), (2211, 115980), (2412, 106315), (2948, 86985), (3015, 85052), (3685, 69588), (3866, 66330), (4020, 63789), (4422, 57990), (5799, 44220), (6030, 42526), (6633, 38660), (7370, 34794), (7732, 33165), (8844, 28995), (9665, 26532), (11055, 23196), (11598, 22110), (12060, 21263), (13266, 19330), (14740, 17397)]