257406960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11057}}^1$

素因数の和:11170

約数の個数: 80

約数和(自身を含む): 806260896

約数和(自身を除く): 548853936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3880, 4656, 5820, 7760, 11057, 11640, 22114, 23280, 33171, 44228, 55285, 66342, 88456, 110570, 132684, 165855, 176912, 221140, 265368, 331710, 442280, 530736, 663420, 884560, 1072529, 1326840, 2145058, 2653680, 3217587, 4290116, 5362645, 6435174, 8580232, 10725290, 12870348, 16087935, 17160464, 21450580, 25740696, 32175870, 42901160, 51481392, 64351740, 85802320, 128703480, 257406960]

約数ペア:

[(1, 257406960), (2, 128703480), (3, 85802320), (4, 64351740), (5, 51481392), (6, 42901160), (8, 32175870), (10, 25740696), (12, 21450580), (15, 17160464), (16, 16087935), (20, 12870348), (24, 10725290), (30, 8580232), (40, 6435174), (48, 5362645), (60, 4290116), (80, 3217587), (97, 2653680), (120, 2145058), (194, 1326840), (240, 1072529), (291, 884560), (388, 663420), (485, 530736), (582, 442280), (776, 331710), (970, 265368), (1164, 221140), (1455, 176912), (1552, 165855), (1940, 132684), (2328, 110570), (2910, 88456), (3880, 66342), (4656, 55285), (5820, 44228), (7760, 33171), (11057, 23280), (11640, 22114)]