81376680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8807}}^1$

素因数の和:8839

約数の個数: 128

約数和(自身を含む): 304404480

約数和(自身を除く): 223027800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 8807, 9240, 17614, 26421, 35228, 44035, 52842, 61649, 70456, 88070, 96877, 105684, 123298, 132105, 176140, 184947, 193754, 211368, 246596, 264210, 290631, 308245, 352280, 369894, 387508, 484385, 493192, 528420, 581262, 616490, 678139, 739788, 775016, 924735, 968770, 1056840, 1162524, 1232980, 1356278, 1453155, 1479576, 1849470, 1937540, 2034417, 2325048, 2465960, 2712556, 2906310, 3390695, 3698940, 3875080, 4068834, 5425112, 5812620, 6781390, 7397880, 8137668, 10172085, 11625240, 13562780, 16275336, 20344170, 27125560, 40688340, 81376680]

約数ペア:

[(1, 81376680), (2, 40688340), (3, 27125560), (4, 20344170), (5, 16275336), (6, 13562780), (7, 11625240), (8, 10172085), (10, 8137668), (11, 7397880), (12, 6781390), (14, 5812620), (15, 5425112), (20, 4068834), (21, 3875080), (22, 3698940), (24, 3390695), (28, 2906310), (30, 2712556), (33, 2465960), (35, 2325048), (40, 2034417), (42, 1937540), (44, 1849470), (55, 1479576), (56, 1453155), (60, 1356278), (66, 1232980), (70, 1162524), (77, 1056840), (84, 968770), (88, 924735), (105, 775016), (110, 739788), (120, 678139), (132, 616490), (140, 581262), (154, 528420), (165, 493192), (168, 484385), (210, 387508), (220, 369894), (231, 352280), (264, 308245), (280, 290631), (308, 264210), (330, 246596), (385, 211368), (420, 193754), (440, 184947), (462, 176140), (616, 132105), (660, 123298), (770, 105684), (840, 96877), (924, 88070), (1155, 70456), (1320, 61649), (1540, 52842), (1848, 44035), (2310, 35228), (3080, 26421), (4620, 17614), (8807, 9240)]