71775760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1913}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 193666176

約数和(自身を除く): 121890416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 1913, 2345, 2680, 3752, 3826, 4690, 5360, 7504, 7652, 9380, 9565, 13391, 15304, 18760, 19130, 26782, 30608, 37520, 38260, 53564, 66955, 76520, 107128, 128171, 133910, 153040, 214256, 256342, 267820, 512684, 535640, 640855, 897197, 1025368, 1071280, 1281710, 1794394, 2050736, 2563420, 3588788, 4485985, 5126840, 7177576, 8971970, 10253680, 14355152, 17943940, 35887880, 71775760]

約数ペア:

[(1, 71775760), (2, 35887880), (4, 17943940), (5, 14355152), (7, 10253680), (8, 8971970), (10, 7177576), (14, 5126840), (16, 4485985), (20, 3588788), (28, 2563420), (35, 2050736), (40, 1794394), (56, 1281710), (67, 1071280), (70, 1025368), (80, 897197), (112, 640855), (134, 535640), (140, 512684), (268, 267820), (280, 256342), (335, 214256), (469, 153040), (536, 133910), (560, 128171), (670, 107128), (938, 76520), (1072, 66955), (1340, 53564), (1876, 38260), (1913, 37520), (2345, 30608), (2680, 26782), (3752, 19130), (3826, 18760), (4690, 15304), (5360, 13391), (7504, 9565), (7652, 9380)]