268540480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64553}}^1$

素因数の和:64583

約数の個数: 56

約数和(自身を含む): 688662072

約数和(自身を除く): 420121592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 64553, 129106, 258212, 322765, 516424, 645530, 839189, 1032848, 1291060, 1678378, 2065696, 2582120, 3356756, 4131392, 4195945, 5164240, 6713512, 8391890, 10328480, 13427024, 16783780, 20656960, 26854048, 33567560, 53708096, 67135120, 134270240, 268540480]

約数ペア:

[(1, 268540480), (2, 134270240), (4, 67135120), (5, 53708096), (8, 33567560), (10, 26854048), (13, 20656960), (16, 16783780), (20, 13427024), (26, 10328480), (32, 8391890), (40, 6713512), (52, 5164240), (64, 4195945), (65, 4131392), (80, 3356756), (104, 2582120), (130, 2065696), (160, 1678378), (208, 1291060), (260, 1032848), (320, 839189), (416, 645530), (520, 516424), (832, 322765), (1040, 258212), (2080, 129106), (4160, 64553)]