256537710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:711

約数の個数: 192

約数和(自身を含む): 810141696

約数和(自身を除く): 553603986

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 31, 33, 39, 45, 55, 62, 65, 66, 78, 90, 93, 99, 110, 117, 130, 143, 155, 165, 186, 195, 198, 234, 279, 286, 310, 330, 341, 390, 403, 429, 465, 495, 558, 585, 643, 682, 715, 806, 858, 930, 990, 1023, 1170, 1209, 1286, 1287, 1395, 1430, 1705, 1929, 2015, 2046, 2145, 2418, 2574, 2790, 3069, 3215, 3410, 3627, 3858, 4030, 4290, 4433, 5115, 5787, 6045, 6138, 6430, 6435, 7073, 7254, 8359, 8866, 9645, 10230, 11574, 12090, 12870, 13299, 14146, 15345, 16718, 18135, 19290, 19933, 21219, 22165, 25077, 26598, 28935, 30690, 35365, 36270, 39866, 39897, 41795, 42438, 44330, 50154, 57870, 59799, 63657, 66495, 70730, 75231, 79794, 83590, 91949, 99665, 106095, 119598, 125385, 127314, 132990, 150462, 179397, 183898, 199330, 199485, 212190, 219263, 250770, 259129, 275847, 298995, 318285, 358794, 376155, 398970, 438526, 459745, 518258, 551694, 597990, 636570, 657789, 752310, 777387, 827541, 896985, 919490, 1096315, 1295645, 1315578, 1379235, 1554774, 1655082, 1793970, 1973367, 2192630, 2332161, 2591290, 2758470, 2850419, 3288945, 3886935, 3946734, 4137705, 4664322, 5700838, 6577890, 7773870, 8275410, 8551257, 9866835, 11660805, 14252095, 17102514, 19733670, 23321610, 25653771, 28504190, 42756285, 51307542, 85512570, 128268855, 256537710]

約数ペア:

[(1, 256537710), (2, 128268855), (3, 85512570), (5, 51307542), (6, 42756285), (9, 28504190), (10, 25653771), (11, 23321610), (13, 19733670), (15, 17102514), (18, 14252095), (22, 11660805), (26, 9866835), (30, 8551257), (31, 8275410), (33, 7773870), (39, 6577890), (45, 5700838), (55, 4664322), (62, 4137705), (65, 3946734), (66, 3886935), (78, 3288945), (90, 2850419), (93, 2758470), (99, 2591290), (110, 2332161), (117, 2192630), (130, 1973367), (143, 1793970), (155, 1655082), (165, 1554774), (186, 1379235), (195, 1315578), (198, 1295645), (234, 1096315), (279, 919490), (286, 896985), (310, 827541), (330, 777387), (341, 752310), (390, 657789), (403, 636570), (429, 597990), (465, 551694), (495, 518258), (558, 459745), (585, 438526), (643, 398970), (682, 376155), (715, 358794), (806, 318285), (858, 298995), (930, 275847), (990, 259129), (1023, 250770), (1170, 219263), (1209, 212190), (1286, 199485), (1287, 199330), (1395, 183898), (1430, 179397), (1705, 150462), (1929, 132990), (2015, 127314), (2046, 125385), (2145, 119598), (2418, 106095), (2574, 99665), (2790, 91949), (3069, 83590), (3215, 79794), (3410, 75231), (3627, 70730), (3858, 66495), (4030, 63657), (4290, 59799), (4433, 57870), (5115, 50154), (5787, 44330), (6045, 42438), (6138, 41795), (6430, 39897), (6435, 39866), (7073, 36270), (7254, 35365), (8359, 30690), (8866, 28935), (9645, 26598), (10230, 25077), (11574, 22165), (12090, 21219), (12870, 19933), (13299, 19290), (14146, 18135), (15345, 16718)]