138876840

素因数分解:

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

素因数の和:252

約数の個数: 144

約数和(自身を含む): 467173980

約数和(自身を除く): 328297140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 97, 120, 123, 164, 180, 194, 205, 246, 291, 328, 360, 369, 388, 410, 485, 492, 582, 615, 738, 776, 820, 873, 970, 984, 1164, 1230, 1455, 1476, 1640, 1746, 1845, 1940, 2328, 2460, 2910, 2952, 3492, 3690, 3880, 3977, 4365, 4920, 5820, 6984, 7380, 7954, 8730, 9409, 11640, 11931, 14760, 15908, 17460, 18818, 19885, 23862, 28227, 31816, 34920, 35793, 37636, 39770, 47045, 47724, 56454, 59655, 71586, 75272, 79540, 84681, 94090, 95448, 112908, 119310, 141135, 143172, 159080, 169362, 178965, 188180, 225816, 238620, 282270, 286344, 338724, 357930, 376360, 385769, 423405, 477240, 564540, 677448, 715860, 771538, 846810, 1129080, 1157307, 1431720, 1543076, 1693620, 1928845, 2314614, 3086152, 3387240, 3471921, 3857690, 4629228, 5786535, 6943842, 7715380, 9258456, 11573070, 13887684, 15430760, 17359605, 23146140, 27775368, 34719210, 46292280, 69438420, 138876840]

約数ペア:

[(1, 138876840), (2, 69438420), (3, 46292280), (4, 34719210), (5, 27775368), (6, 23146140), (8, 17359605), (9, 15430760), (10, 13887684), (12, 11573070), (15, 9258456), (18, 7715380), (20, 6943842), (24, 5786535), (30, 4629228), (36, 3857690), (40, 3471921), (41, 3387240), (45, 3086152), (60, 2314614), (72, 1928845), (82, 1693620), (90, 1543076), (97, 1431720), (120, 1157307), (123, 1129080), (164, 846810), (180, 771538), (194, 715860), (205, 677448), (246, 564540), (291, 477240), (328, 423405), (360, 385769), (369, 376360), (388, 357930), (410, 338724), (485, 286344), (492, 282270), (582, 238620), (615, 225816), (738, 188180), (776, 178965), (820, 169362), (873, 159080), (970, 143172), (984, 141135), (1164, 119310), (1230, 112908), (1455, 95448), (1476, 94090), (1640, 84681), (1746, 79540), (1845, 75272), (1940, 71586), (2328, 59655), (2460, 56454), (2910, 47724), (2952, 47045), (3492, 39770), (3690, 37636), (3880, 35793), (3977, 34920), (4365, 31816), (4920, 28227), (5820, 23862), (6984, 19885), (7380, 18818), (7954, 17460), (8730, 15908), (9409, 14760), (11640, 11931)]