128220840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 256

約数和(自身を含む): 479001600

約数和(自身を除く): 350780760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 43, 44, 45, 54, 55, 60, 66, 72, 86, 88, 90, 99, 108, 110, 120, 129, 132, 135, 165, 172, 180, 198, 215, 216, 220, 251, 258, 264, 270, 297, 330, 344, 360, 387, 396, 430, 440, 473, 495, 502, 516, 540, 594, 645, 660, 753, 774, 792, 860, 946, 990, 1004, 1032, 1080, 1161, 1188, 1255, 1290, 1320, 1419, 1485, 1506, 1548, 1720, 1892, 1935, 1980, 2008, 2259, 2322, 2365, 2376, 2510, 2580, 2761, 2838, 2970, 3012, 3096, 3765, 3784, 3870, 3960, 4257, 4518, 4644, 4730, 5020, 5160, 5522, 5676, 5805, 5940, 6024, 6777, 7095, 7530, 7740, 8283, 8514, 9036, 9288, 9460, 10040, 10793, 11044, 11295, 11352, 11610, 11880, 12771, 13554, 13805, 14190, 15060, 15480, 16566, 17028, 18072, 18920, 21285, 21586, 22088, 22590, 23220, 24849, 25542, 27108, 27610, 28380, 30120, 32379, 33132, 33885, 34056, 41415, 42570, 43172, 45180, 46440, 49698, 51084, 53965, 54216, 55220, 56760, 63855, 64758, 66264, 67770, 74547, 82830, 85140, 86344, 90360, 97137, 99396, 102168, 107930, 110440, 118723, 124245, 127710, 129516, 135540, 149094, 161895, 165660, 170280, 194274, 198792, 215860, 237446, 248490, 255420, 259032, 271080, 291411, 298188, 323790, 331320, 356169, 372735, 388548, 431720, 474892, 485685, 496980, 510840, 582822, 593615, 596376, 647580, 712338, 745470, 777096, 949784, 971370, 993960, 1068507, 1165644, 1187230, 1295160, 1424676, 1457055, 1490940, 1780845, 1942740, 2137014, 2331288, 2374460, 2849352, 2914110, 2981880, 3205521, 3561690, 3885480, 4274028, 4748920, 5342535, 5828220, 6411042, 7123380, 8548056, 10685070, 11656440, 12822084, 14246760, 16027605, 21370140, 25644168, 32055210, 42740280, 64110420, 128220840]

約数ペア:

[(1, 128220840), (2, 64110420), (3, 42740280), (4, 32055210), (5, 25644168), (6, 21370140), (8, 16027605), (9, 14246760), (10, 12822084), (11, 11656440), (12, 10685070), (15, 8548056), (18, 7123380), (20, 6411042), (22, 5828220), (24, 5342535), (27, 4748920), (30, 4274028), (33, 3885480), (36, 3561690), (40, 3205521), (43, 2981880), (44, 2914110), (45, 2849352), (54, 2374460), (55, 2331288), (60, 2137014), (66, 1942740), (72, 1780845), (86, 1490940), (88, 1457055), (90, 1424676), (99, 1295160), (108, 1187230), (110, 1165644), (120, 1068507), (129, 993960), (132, 971370), (135, 949784), (165, 777096), (172, 745470), (180, 712338), (198, 647580), (215, 596376), (216, 593615), (220, 582822), (251, 510840), (258, 496980), (264, 485685), (270, 474892), (297, 431720), (330, 388548), (344, 372735), (360, 356169), (387, 331320), (396, 323790), (430, 298188), (440, 291411), (473, 271080), (495, 259032), (502, 255420), (516, 248490), (540, 237446), (594, 215860), (645, 198792), (660, 194274), (753, 170280), (774, 165660), (792, 161895), (860, 149094), (946, 135540), (990, 129516), (1004, 127710), (1032, 124245), (1080, 118723), (1161, 110440), (1188, 107930), (1255, 102168), (1290, 99396), (1320, 97137), (1419, 90360), (1485, 86344), (1506, 85140), (1548, 82830), (1720, 74547), (1892, 67770), (1935, 66264), (1980, 64758), (2008, 63855), (2259, 56760), (2322, 55220), (2365, 54216), (2376, 53965), (2510, 51084), (2580, 49698), (2761, 46440), (2838, 45180), (2970, 43172), (3012, 42570), (3096, 41415), (3765, 34056), (3784, 33885), (3870, 33132), (3960, 32379), (4257, 30120), (4518, 28380), (4644, 27610), (4730, 27108), (5020, 25542), (5160, 24849), (5522, 23220), (5676, 22590), (5805, 22088), (5940, 21586), (6024, 21285), (6777, 18920), (7095, 18072), (7530, 17028), (7740, 16566), (8283, 15480), (8514, 15060), (9036, 14190), (9288, 13805), (9460, 13554), (10040, 12771), (10793, 11880), (11044, 11610), (11295, 11352)]