80889585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 155492352

約数和(自身を除く): 74602767

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 47, 105, 111, 141, 185, 235, 259, 329, 443, 555, 705, 777, 987, 1295, 1329, 1645, 1739, 2215, 3101, 3885, 4935, 5217, 6645, 8695, 9303, 12173, 15505, 16391, 20821, 26085, 36519, 46515, 49173, 60865, 62463, 81955, 104105, 114737, 145747, 182595, 245865, 312315, 344211, 437241, 573685, 728735, 770377, 1721055, 2186205, 2311131, 3851885, 5392639, 11555655, 16177917, 26963195, 80889585]

約数ペア:

[(1, 80889585), (3, 26963195), (5, 16177917), (7, 11555655), (15, 5392639), (21, 3851885), (35, 2311131), (37, 2186205), (47, 1721055), (105, 770377), (111, 728735), (141, 573685), (185, 437241), (235, 344211), (259, 312315), (329, 245865), (443, 182595), (555, 145747), (705, 114737), (777, 104105), (987, 81955), (1295, 62463), (1329, 60865), (1645, 49173), (1739, 46515), (2215, 36519), (3101, 26085), (3885, 20821), (4935, 16391), (5217, 15505), (6645, 12173), (8695, 9303)]