261187920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1787}}^1$

素因数の和:1842

約数の個数: 240

約数和(自身を含む): 1037612160

約数和(自身を除く): 776424240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 112, 116, 120, 126, 140, 144, 145, 168, 174, 180, 203, 210, 232, 240, 252, 261, 280, 290, 315, 336, 348, 360, 406, 420, 435, 464, 504, 522, 560, 580, 609, 630, 696, 720, 812, 840, 870, 1008, 1015, 1044, 1160, 1218, 1260, 1305, 1392, 1624, 1680, 1740, 1787, 1827, 2030, 2088, 2320, 2436, 2520, 2610, 3045, 3248, 3480, 3574, 3654, 4060, 4176, 4872, 5040, 5220, 5361, 6090, 6960, 7148, 7308, 8120, 8935, 9135, 9744, 10440, 10722, 12180, 12509, 14296, 14616, 16083, 16240, 17870, 18270, 20880, 21444, 24360, 25018, 26805, 28592, 29232, 32166, 35740, 36540, 37527, 42888, 48720, 50036, 51823, 53610, 62545, 64332, 71480, 73080, 75054, 80415, 85776, 100072, 103646, 107220, 112581, 125090, 128664, 142960, 146160, 150108, 155469, 160830, 187635, 200144, 207292, 214440, 225162, 250180, 257328, 259115, 300216, 310938, 321660, 362761, 375270, 414584, 428880, 450324, 466407, 500360, 518230, 562905, 600432, 621876, 643320, 725522, 750540, 777345, 829168, 900648, 932814, 1000720, 1036460, 1088283, 1125810, 1243752, 1286640, 1451044, 1501080, 1554690, 1801296, 1813805, 1865628, 2072920, 2176566, 2251620, 2332035, 2487504, 2902088, 3002160, 3109380, 3264849, 3627610, 3731256, 4145840, 4353132, 4503240, 4664070, 5441415, 5804176, 6218760, 6529698, 7255220, 7462512, 8706264, 9006480, 9328140, 10882830, 12437520, 13059396, 14510440, 16324245, 17412528, 18656280, 21765660, 26118792, 29020880, 32648490, 37312560, 43531320, 52237584, 65296980, 87062640, 130593960, 261187920]

約数ペア:

[(1, 261187920), (2, 130593960), (3, 87062640), (4, 65296980), (5, 52237584), (6, 43531320), (7, 37312560), (8, 32648490), (9, 29020880), (10, 26118792), (12, 21765660), (14, 18656280), (15, 17412528), (16, 16324245), (18, 14510440), (20, 13059396), (21, 12437520), (24, 10882830), (28, 9328140), (29, 9006480), (30, 8706264), (35, 7462512), (36, 7255220), (40, 6529698), (42, 6218760), (45, 5804176), (48, 5441415), (56, 4664070), (58, 4503240), (60, 4353132), (63, 4145840), (70, 3731256), (72, 3627610), (80, 3264849), (84, 3109380), (87, 3002160), (90, 2902088), (105, 2487504), (112, 2332035), (116, 2251620), (120, 2176566), (126, 2072920), (140, 1865628), (144, 1813805), (145, 1801296), (168, 1554690), (174, 1501080), (180, 1451044), (203, 1286640), (210, 1243752), (232, 1125810), (240, 1088283), (252, 1036460), (261, 1000720), (280, 932814), (290, 900648), (315, 829168), (336, 777345), (348, 750540), (360, 725522), (406, 643320), (420, 621876), (435, 600432), (464, 562905), (504, 518230), (522, 500360), (560, 466407), (580, 450324), (609, 428880), (630, 414584), (696, 375270), (720, 362761), (812, 321660), (840, 310938), (870, 300216), (1008, 259115), (1015, 257328), (1044, 250180), (1160, 225162), (1218, 214440), (1260, 207292), (1305, 200144), (1392, 187635), (1624, 160830), (1680, 155469), (1740, 150108), (1787, 146160), (1827, 142960), (2030, 128664), (2088, 125090), (2320, 112581), (2436, 107220), (2520, 103646), (2610, 100072), (3045, 85776), (3248, 80415), (3480, 75054), (3574, 73080), (3654, 71480), (4060, 64332), (4176, 62545), (4872, 53610), (5040, 51823), (5220, 50036), (5361, 48720), (6090, 42888), (6960, 37527), (7148, 36540), (7308, 35740), (8120, 32166), (8935, 29232), (9135, 28592), (9744, 26805), (10440, 25018), (10722, 24360), (12180, 21444), (12509, 20880), (14296, 18270), (14616, 17870), (16083, 16240)]