131919760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 362461176

約数和(自身を除く): 230541416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 461, 490, 511, 560, 584, 730, 784, 922, 980, 1022, 1168, 1460, 1844, 1960, 2044, 2305, 2555, 2920, 3227, 3577, 3688, 3920, 4088, 4610, 5110, 5840, 6454, 7154, 7376, 8176, 9220, 10220, 12908, 14308, 16135, 17885, 18440, 20440, 22589, 25816, 28616, 32270, 33653, 35770, 36880, 40880, 45178, 51632, 57232, 64540, 67306, 71540, 90356, 112945, 129080, 134612, 143080, 168265, 180712, 225890, 235571, 258160, 269224, 286160, 336530, 361424, 451780, 471142, 538448, 673060, 903560, 942284, 1177855, 1346120, 1648997, 1807120, 1884568, 2355710, 2692240, 3297994, 3769136, 4711420, 6595988, 8244985, 9422840, 13191976, 16489970, 18845680, 26383952, 32979940, 65959880, 131919760]

約数ペア:

[(1, 131919760), (2, 65959880), (4, 32979940), (5, 26383952), (7, 18845680), (8, 16489970), (10, 13191976), (14, 9422840), (16, 8244985), (20, 6595988), (28, 4711420), (35, 3769136), (40, 3297994), (49, 2692240), (56, 2355710), (70, 1884568), (73, 1807120), (80, 1648997), (98, 1346120), (112, 1177855), (140, 942284), (146, 903560), (196, 673060), (245, 538448), (280, 471142), (292, 451780), (365, 361424), (392, 336530), (461, 286160), (490, 269224), (511, 258160), (560, 235571), (584, 225890), (730, 180712), (784, 168265), (922, 143080), (980, 134612), (1022, 129080), (1168, 112945), (1460, 90356), (1844, 71540), (1960, 67306), (2044, 64540), (2305, 57232), (2555, 51632), (2920, 45178), (3227, 40880), (3577, 36880), (3688, 35770), (3920, 33653), (4088, 32270), (4610, 28616), (5110, 25816), (5840, 22589), (6454, 20440), (7154, 18440), (7376, 17885), (8176, 16135), (9220, 14308), (10220, 12908)]