180977720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:973

約数の個数: 128

約数和(自身を含む): 515842560

約数和(自身を除く): 334864840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 77, 88, 110, 134, 140, 154, 220, 268, 280, 308, 335, 385, 440, 469, 536, 616, 670, 737, 770, 877, 938, 1340, 1474, 1540, 1754, 1876, 2345, 2680, 2948, 3080, 3508, 3685, 3752, 4385, 4690, 5159, 5896, 6139, 7016, 7370, 8770, 9380, 9647, 10318, 12278, 14740, 17540, 18760, 19294, 20636, 24556, 25795, 29480, 30695, 35080, 38588, 41272, 48235, 49112, 51590, 58759, 61390, 67529, 77176, 96470, 103180, 117518, 122780, 135058, 192940, 206360, 235036, 245560, 270116, 293795, 337645, 385880, 411313, 470072, 540232, 587590, 646349, 675290, 822626, 1175180, 1292698, 1350580, 1645252, 2056565, 2350360, 2585396, 2701160, 3231745, 3290504, 4113130, 4524443, 5170792, 6463490, 8226260, 9048886, 12926980, 16452520, 18097772, 22622215, 25853960, 36195544, 45244430, 90488860, 180977720]

約数ペア:

[(1, 180977720), (2, 90488860), (4, 45244430), (5, 36195544), (7, 25853960), (8, 22622215), (10, 18097772), (11, 16452520), (14, 12926980), (20, 9048886), (22, 8226260), (28, 6463490), (35, 5170792), (40, 4524443), (44, 4113130), (55, 3290504), (56, 3231745), (67, 2701160), (70, 2585396), (77, 2350360), (88, 2056565), (110, 1645252), (134, 1350580), (140, 1292698), (154, 1175180), (220, 822626), (268, 675290), (280, 646349), (308, 587590), (335, 540232), (385, 470072), (440, 411313), (469, 385880), (536, 337645), (616, 293795), (670, 270116), (737, 245560), (770, 235036), (877, 206360), (938, 192940), (1340, 135058), (1474, 122780), (1540, 117518), (1754, 103180), (1876, 96470), (2345, 77176), (2680, 67529), (2948, 61390), (3080, 58759), (3508, 51590), (3685, 49112), (3752, 48235), (4385, 41272), (4690, 38588), (5159, 35080), (5896, 30695), (6139, 29480), (7016, 25795), (7370, 24556), (8770, 20636), (9380, 19294), (9647, 18760), (10318, 17540), (12278, 14740)]