2789489920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{719}}^1$

素因数の和:1180

約数の個数: 144

約数和(自身を含む): 7664509440

約数和(自身を除く): 4875019520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 433, 448, 560, 640, 719, 866, 896, 1120, 1280, 1438, 1732, 1792, 2165, 2240, 2876, 3031, 3464, 3595, 4330, 4480, 5033, 5752, 6062, 6928, 7190, 8660, 8960, 10066, 11504, 12124, 13856, 14380, 15155, 17320, 20132, 23008, 24248, 25165, 27712, 28760, 30310, 34640, 40264, 46016, 48496, 50330, 55424, 57520, 60620, 69280, 80528, 92032, 96992, 100660, 110848, 115040, 121240, 138560, 161056, 184064, 193984, 201320, 230080, 242480, 277120, 311327, 322112, 387968, 402640, 460160, 484960, 554240, 622654, 644224, 775936, 805280, 920320, 969920, 1245308, 1288448, 1556635, 1610560, 1939840, 2179289, 2490616, 3113270, 3221120, 3879680, 4358578, 4981232, 6226540, 6442240, 8717156, 9962464, 10896445, 12453080, 17434312, 19924928, 21792890, 24906160, 34868624, 39849856, 43585780, 49812320, 69737248, 79699712, 87171560, 99624640, 139474496, 174343120, 199249280, 278948992, 348686240, 398498560, 557897984, 697372480, 1394744960, 2789489920]

約数ペア:

[(1, 2789489920), (2, 1394744960), (4, 697372480), (5, 557897984), (7, 398498560), (8, 348686240), (10, 278948992), (14, 199249280), (16, 174343120), (20, 139474496), (28, 99624640), (32, 87171560), (35, 79699712), (40, 69737248), (56, 49812320), (64, 43585780), (70, 39849856), (80, 34868624), (112, 24906160), (128, 21792890), (140, 19924928), (160, 17434312), (224, 12453080), (256, 10896445), (280, 9962464), (320, 8717156), (433, 6442240), (448, 6226540), (560, 4981232), (640, 4358578), (719, 3879680), (866, 3221120), (896, 3113270), (1120, 2490616), (1280, 2179289), (1438, 1939840), (1732, 1610560), (1792, 1556635), (2165, 1288448), (2240, 1245308), (2876, 969920), (3031, 920320), (3464, 805280), (3595, 775936), (4330, 644224), (4480, 622654), (5033, 554240), (5752, 484960), (6062, 460160), (6928, 402640), (7190, 387968), (8660, 322112), (8960, 311327), (10066, 277120), (11504, 242480), (12124, 230080), (13856, 201320), (14380, 193984), (15155, 184064), (17320, 161056), (20132, 138560), (23008, 121240), (24248, 115040), (25165, 110848), (27712, 100660), (28760, 96992), (30310, 92032), (34640, 80528), (40264, 69280), (46016, 60620), (48496, 57520), (50330, 55424)]