256460925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 514824192

約数和(自身を除く): 258363267

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 67, 69, 75, 105, 115, 161, 175, 201, 317, 335, 345, 469, 483, 525, 575, 805, 951, 1005, 1407, 1541, 1585, 1675, 1725, 2219, 2345, 2415, 4025, 4623, 4755, 5025, 6657, 7035, 7291, 7705, 7925, 10787, 11095, 11725, 12075, 21239, 21873, 23115, 23775, 32361, 33285, 35175, 36455, 38525, 51037, 53935, 55475, 63717, 106195, 109365, 115575, 148673, 153111, 161805, 166425, 182275, 255185, 269675, 318585, 446019, 488497, 530975, 546825, 743365, 765555, 809025, 1275925, 1465491, 1592925, 2230095, 2442485, 3419479, 3716825, 3827775, 7327455, 10258437, 11150475, 12212425, 17097395, 36637275, 51292185, 85486975, 256460925]

約数ペア:

[(1, 256460925), (3, 85486975), (5, 51292185), (7, 36637275), (15, 17097395), (21, 12212425), (23, 11150475), (25, 10258437), (35, 7327455), (67, 3827775), (69, 3716825), (75, 3419479), (105, 2442485), (115, 2230095), (161, 1592925), (175, 1465491), (201, 1275925), (317, 809025), (335, 765555), (345, 743365), (469, 546825), (483, 530975), (525, 488497), (575, 446019), (805, 318585), (951, 269675), (1005, 255185), (1407, 182275), (1541, 166425), (1585, 161805), (1675, 153111), (1725, 148673), (2219, 115575), (2345, 109365), (2415, 106195), (4025, 63717), (4623, 55475), (4755, 53935), (5025, 51037), (6657, 38525), (7035, 36455), (7291, 35175), (7705, 33285), (7925, 32361), (10787, 23775), (11095, 23115), (11725, 21873), (12075, 21239)]