121218960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 391974912

約数和(自身を除く): 270755952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 97, 120, 123, 127, 164, 194, 205, 240, 246, 254, 291, 328, 381, 388, 410, 485, 492, 508, 582, 615, 635, 656, 762, 776, 820, 970, 984, 1016, 1164, 1230, 1270, 1455, 1524, 1552, 1640, 1905, 1940, 1968, 2032, 2328, 2460, 2540, 2910, 3048, 3280, 3810, 3880, 3977, 4656, 4920, 5080, 5207, 5820, 6096, 7620, 7760, 7954, 9840, 10160, 10414, 11640, 11931, 12319, 15240, 15621, 15908, 19885, 20828, 23280, 23862, 24638, 26035, 30480, 31242, 31816, 36957, 39770, 41656, 47724, 49276, 52070, 59655, 61595, 62484, 63632, 73914, 78105, 79540, 83312, 95448, 98552, 104140, 119310, 123190, 124968, 147828, 156210, 159080, 184785, 190896, 197104, 208280, 238620, 246380, 249936, 295656, 312420, 318160, 369570, 416560, 477240, 492760, 505079, 591312, 624840, 739140, 954480, 985520, 1010158, 1249680, 1478280, 1515237, 2020316, 2525395, 2956560, 3030474, 4040632, 5050790, 6060948, 7576185, 8081264, 10101580, 12121896, 15152370, 20203160, 24243792, 30304740, 40406320, 60609480, 121218960]

約数ペア:

[(1, 121218960), (2, 60609480), (3, 40406320), (4, 30304740), (5, 24243792), (6, 20203160), (8, 15152370), (10, 12121896), (12, 10101580), (15, 8081264), (16, 7576185), (20, 6060948), (24, 5050790), (30, 4040632), (40, 3030474), (41, 2956560), (48, 2525395), (60, 2020316), (80, 1515237), (82, 1478280), (97, 1249680), (120, 1010158), (123, 985520), (127, 954480), (164, 739140), (194, 624840), (205, 591312), (240, 505079), (246, 492760), (254, 477240), (291, 416560), (328, 369570), (381, 318160), (388, 312420), (410, 295656), (485, 249936), (492, 246380), (508, 238620), (582, 208280), (615, 197104), (635, 190896), (656, 184785), (762, 159080), (776, 156210), (820, 147828), (970, 124968), (984, 123190), (1016, 119310), (1164, 104140), (1230, 98552), (1270, 95448), (1455, 83312), (1524, 79540), (1552, 78105), (1640, 73914), (1905, 63632), (1940, 62484), (1968, 61595), (2032, 59655), (2328, 52070), (2460, 49276), (2540, 47724), (2910, 41656), (3048, 39770), (3280, 36957), (3810, 31816), (3880, 31242), (3977, 30480), (4656, 26035), (4920, 24638), (5080, 23862), (5207, 23280), (5820, 20828), (6096, 19885), (7620, 15908), (7760, 15621), (7954, 15240), (9840, 12319), (10160, 11931), (10414, 11640)]