278327680

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10607}}^1$

素因数の和:10667

約数の個数: 64

約数和(自身を含む): 681670080

約数和(自身を除く): 403342400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 5248, 6560, 10607, 13120, 21214, 26240, 42428, 53035, 84856, 106070, 169712, 212140, 339424, 424280, 434887, 678848, 848560, 869774, 1357696, 1697120, 1739548, 2174435, 3394240, 3479096, 4348870, 6788480, 6958192, 8697740, 13916384, 17395480, 27832768, 34790960, 55665536, 69581920, 139163840, 278327680]

約数ペア:

[(1, 278327680), (2, 139163840), (4, 69581920), (5, 55665536), (8, 34790960), (10, 27832768), (16, 17395480), (20, 13916384), (32, 8697740), (40, 6958192), (41, 6788480), (64, 4348870), (80, 3479096), (82, 3394240), (128, 2174435), (160, 1739548), (164, 1697120), (205, 1357696), (320, 869774), (328, 848560), (410, 678848), (640, 434887), (656, 424280), (820, 339424), (1312, 212140), (1640, 169712), (2624, 106070), (3280, 84856), (5248, 53035), (6560, 42428), (10607, 26240), (13120, 21214)]