256498480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24107}}^1$

素因数の和:24146

約数の個数: 80

約数和(自身を含む): 717454080

約数和(自身を除く): 460955600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 24107, 48214, 96428, 120535, 168749, 192856, 241070, 337498, 385712, 458033, 482140, 674996, 843745, 916066, 964280, 1349992, 1687490, 1832132, 1928560, 2290165, 2699984, 3206231, 3374980, 3664264, 4580330, 6412462, 6749960, 7328528, 9160660, 12824924, 13499920, 16031155, 18321320, 25649848, 32062310, 36642640, 51299696, 64124620, 128249240, 256498480]

約数ペア:

[(1, 256498480), (2, 128249240), (4, 64124620), (5, 51299696), (7, 36642640), (8, 32062310), (10, 25649848), (14, 18321320), (16, 16031155), (19, 13499920), (20, 12824924), (28, 9160660), (35, 7328528), (38, 6749960), (40, 6412462), (56, 4580330), (70, 3664264), (76, 3374980), (80, 3206231), (95, 2699984), (112, 2290165), (133, 1928560), (140, 1832132), (152, 1687490), (190, 1349992), (266, 964280), (280, 916066), (304, 843745), (380, 674996), (532, 482140), (560, 458033), (665, 385712), (760, 337498), (1064, 241070), (1330, 192856), (1520, 168749), (2128, 120535), (2660, 96428), (5320, 48214), (10640, 24107)]