1651720180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 3956496768

約数和(自身を除く): 2304776588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 67, 110, 121, 122, 134, 167, 220, 242, 244, 268, 305, 334, 335, 484, 605, 610, 668, 670, 671, 737, 835, 1210, 1220, 1340, 1342, 1474, 1670, 1837, 2420, 2684, 2948, 3340, 3355, 3674, 3685, 4087, 6710, 7348, 7370, 7381, 8107, 8174, 9185, 10187, 11189, 13420, 14740, 14762, 16214, 16348, 18370, 20207, 20374, 20435, 22378, 29524, 32428, 36740, 36905, 40414, 40535, 40748, 40870, 44756, 44957, 50935, 55945, 73810, 80828, 81070, 81740, 89914, 101035, 101870, 111890, 112057, 123079, 147620, 162140, 179828, 202070, 203740, 223780, 224114, 224785, 246158, 404140, 448228, 449570, 492316, 494527, 560285, 615395, 682529, 899140, 989054, 1120570, 1230790, 1232627, 1353869, 1365058, 1978108, 2241140, 2461580, 2465254, 2472635, 2707738, 2730116, 3412645, 4930508, 4945270, 5415476, 6163135, 6769345, 6825290, 7507819, 9890540, 12326270, 13538690, 13650580, 15015638, 24652540, 27077380, 30031276, 37539095, 75078190, 82586009, 150156380, 165172018, 330344036, 412930045, 825860090, 1651720180]

約数ペア:

[(1, 1651720180), (2, 825860090), (4, 412930045), (5, 330344036), (10, 165172018), (11, 150156380), (20, 82586009), (22, 75078190), (44, 37539095), (55, 30031276), (61, 27077380), (67, 24652540), (110, 15015638), (121, 13650580), (122, 13538690), (134, 12326270), (167, 9890540), (220, 7507819), (242, 6825290), (244, 6769345), (268, 6163135), (305, 5415476), (334, 4945270), (335, 4930508), (484, 3412645), (605, 2730116), (610, 2707738), (668, 2472635), (670, 2465254), (671, 2461580), (737, 2241140), (835, 1978108), (1210, 1365058), (1220, 1353869), (1340, 1232627), (1342, 1230790), (1474, 1120570), (1670, 989054), (1837, 899140), (2420, 682529), (2684, 615395), (2948, 560285), (3340, 494527), (3355, 492316), (3674, 449570), (3685, 448228), (4087, 404140), (6710, 246158), (7348, 224785), (7370, 224114), (7381, 223780), (8107, 203740), (8174, 202070), (9185, 179828), (10187, 162140), (11189, 147620), (13420, 123079), (14740, 112057), (14762, 111890), (16214, 101870), (16348, 101035), (18370, 89914), (20207, 81740), (20374, 81070), (20435, 80828), (22378, 73810), (29524, 55945), (32428, 50935), (36740, 44957), (36905, 44756), (40414, 40870), (40535, 40748)]