268142720

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3299}}^1$

素因数の和:3445

約数の個数: 64

約数和(自身を含む): 646272000

約数和(自身を除く): 378129280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 3299, 4064, 5080, 6598, 8128, 10160, 13196, 16256, 16495, 20320, 26392, 32990, 40640, 52784, 65980, 81280, 105568, 131960, 211136, 263920, 418973, 422272, 527840, 837946, 1055680, 1675892, 2094865, 2111360, 3351784, 4189730, 6703568, 8379460, 13407136, 16758920, 26814272, 33517840, 53628544, 67035680, 134071360, 268142720]

約数ペア:

[(1, 268142720), (2, 134071360), (4, 67035680), (5, 53628544), (8, 33517840), (10, 26814272), (16, 16758920), (20, 13407136), (32, 8379460), (40, 6703568), (64, 4189730), (80, 3351784), (127, 2111360), (128, 2094865), (160, 1675892), (254, 1055680), (320, 837946), (508, 527840), (635, 422272), (640, 418973), (1016, 263920), (1270, 211136), (2032, 131960), (2540, 105568), (3299, 81280), (4064, 65980), (5080, 52784), (6598, 40640), (8128, 32990), (10160, 26392), (13196, 20320), (16256, 16495)]