1778894080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 4445650944

約数和(自身を除く): 2666756864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 353, 496, 508, 620, 635, 640, 706, 992, 1016, 1240, 1270, 1280, 1412, 1765, 1984, 2032, 2480, 2540, 2824, 3530, 3937, 3968, 4064, 4960, 5080, 5648, 7060, 7874, 7936, 8128, 9920, 10160, 10943, 11296, 14120, 15748, 16256, 19685, 19840, 20320, 21886, 22592, 28240, 31496, 32512, 39370, 39680, 40640, 43772, 44831, 45184, 54715, 56480, 62992, 78740, 81280, 87544, 89662, 90368, 109430, 112960, 125984, 157480, 162560, 175088, 179324, 218860, 224155, 225920, 251968, 314960, 350176, 358648, 437720, 448310, 451840, 503936, 629920, 700352, 717296, 875440, 896620, 1007872, 1259840, 1389761, 1400704, 1434592, 1750880, 1793240, 2519680, 2779522, 2801408, 2869184, 3501760, 3586480, 5039360, 5559044, 5738368, 6948805, 7003520, 7172960, 11118088, 11476736, 13897610, 14007040, 14345920, 22236176, 27795220, 28691840, 44472352, 55590440, 57383680, 88944704, 111180880, 177889408, 222361760, 355778816, 444723520, 889447040, 1778894080]

約数ペア:

[(1, 1778894080), (2, 889447040), (4, 444723520), (5, 355778816), (8, 222361760), (10, 177889408), (16, 111180880), (20, 88944704), (31, 57383680), (32, 55590440), (40, 44472352), (62, 28691840), (64, 27795220), (80, 22236176), (124, 14345920), (127, 14007040), (128, 13897610), (155, 11476736), (160, 11118088), (248, 7172960), (254, 7003520), (256, 6948805), (310, 5738368), (320, 5559044), (353, 5039360), (496, 3586480), (508, 3501760), (620, 2869184), (635, 2801408), (640, 2779522), (706, 2519680), (992, 1793240), (1016, 1750880), (1240, 1434592), (1270, 1400704), (1280, 1389761), (1412, 1259840), (1765, 1007872), (1984, 896620), (2032, 875440), (2480, 717296), (2540, 700352), (2824, 629920), (3530, 503936), (3937, 451840), (3968, 448310), (4064, 437720), (4960, 358648), (5080, 350176), (5648, 314960), (7060, 251968), (7874, 225920), (7936, 224155), (8128, 218860), (9920, 179324), (10160, 175088), (10943, 162560), (11296, 157480), (14120, 125984), (15748, 112960), (16256, 109430), (19685, 90368), (19840, 89662), (20320, 87544), (21886, 81280), (22592, 78740), (28240, 62992), (31496, 56480), (32512, 54715), (39370, 45184), (39680, 44831), (40640, 43772)]