51541920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 240

約数和(自身を含む): 188257608

約数和(自身を除く): 136715688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 96, 97, 108, 120, 123, 135, 144, 160, 162, 164, 180, 194, 205, 216, 240, 246, 270, 288, 291, 324, 328, 360, 369, 388, 405, 410, 432, 480, 485, 492, 540, 582, 615, 648, 656, 720, 738, 776, 810, 820, 864, 873, 970, 984, 1080, 1107, 1164, 1230, 1296, 1312, 1440, 1455, 1476, 1552, 1620, 1640, 1746, 1845, 1940, 1968, 2160, 2214, 2328, 2460, 2592, 2619, 2910, 2952, 3104, 3240, 3280, 3321, 3492, 3690, 3880, 3936, 3977, 4320, 4365, 4428, 4656, 4920, 5238, 5535, 5820, 5904, 6480, 6560, 6642, 6984, 7380, 7760, 7857, 7954, 8730, 8856, 9312, 9840, 10476, 11070, 11640, 11808, 11931, 12960, 13095, 13284, 13968, 14760, 15520, 15714, 15908, 16605, 17460, 17712, 19680, 19885, 20952, 22140, 23280, 23862, 26190, 26568, 27936, 29520, 31428, 31816, 33210, 34920, 35424, 35793, 39285, 39770, 41904, 44280, 46560, 47724, 52380, 53136, 59040, 59655, 62856, 63632, 66420, 69840, 71586, 78570, 79540, 83808, 88560, 95448, 104760, 106272, 107379, 119310, 125712, 127264, 132840, 139680, 143172, 157140, 159080, 177120, 178965, 190896, 209520, 214758, 238620, 251424, 265680, 286344, 314280, 318160, 322137, 357930, 381792, 419040, 429516, 477240, 531360, 536895, 572688, 628560, 636320, 644274, 715860, 859032, 954480, 1073790, 1145376, 1257120, 1288548, 1431720, 1610685, 1718064, 1908960, 2147580, 2577096, 2863440, 3221370, 3436128, 4295160, 5154192, 5726880, 6442740, 8590320, 10308384, 12885480, 17180640, 25770960, 51541920]

約数ペア:

[(1, 51541920), (2, 25770960), (3, 17180640), (4, 12885480), (5, 10308384), (6, 8590320), (8, 6442740), (9, 5726880), (10, 5154192), (12, 4295160), (15, 3436128), (16, 3221370), (18, 2863440), (20, 2577096), (24, 2147580), (27, 1908960), (30, 1718064), (32, 1610685), (36, 1431720), (40, 1288548), (41, 1257120), (45, 1145376), (48, 1073790), (54, 954480), (60, 859032), (72, 715860), (80, 644274), (81, 636320), (82, 628560), (90, 572688), (96, 536895), (97, 531360), (108, 477240), (120, 429516), (123, 419040), (135, 381792), (144, 357930), (160, 322137), (162, 318160), (164, 314280), (180, 286344), (194, 265680), (205, 251424), (216, 238620), (240, 214758), (246, 209520), (270, 190896), (288, 178965), (291, 177120), (324, 159080), (328, 157140), (360, 143172), (369, 139680), (388, 132840), (405, 127264), (410, 125712), (432, 119310), (480, 107379), (485, 106272), (492, 104760), (540, 95448), (582, 88560), (615, 83808), (648, 79540), (656, 78570), (720, 71586), (738, 69840), (776, 66420), (810, 63632), (820, 62856), (864, 59655), (873, 59040), (970, 53136), (984, 52380), (1080, 47724), (1107, 46560), (1164, 44280), (1230, 41904), (1296, 39770), (1312, 39285), (1440, 35793), (1455, 35424), (1476, 34920), (1552, 33210), (1620, 31816), (1640, 31428), (1746, 29520), (1845, 27936), (1940, 26568), (1968, 26190), (2160, 23862), (2214, 23280), (2328, 22140), (2460, 20952), (2592, 19885), (2619, 19680), (2910, 17712), (2952, 17460), (3104, 16605), (3240, 15908), (3280, 15714), (3321, 15520), (3492, 14760), (3690, 13968), (3880, 13284), (3936, 13095), (3977, 12960), (4320, 11931), (4365, 11808), (4428, 11640), (4656, 11070), (4920, 10476), (5238, 9840), (5535, 9312), (5820, 8856), (5904, 8730), (6480, 7954), (6560, 7857), (6642, 7760), (6984, 7380)]