85310120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{557}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 220164480

約数和(自身を除く): 134854360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 547, 557, 1094, 1114, 2188, 2228, 2735, 2785, 3829, 3899, 4376, 4456, 5470, 5570, 7658, 7798, 10940, 11140, 15316, 15596, 19145, 19495, 21880, 22280, 30632, 31192, 38290, 38990, 76580, 77980, 153160, 155960, 304679, 609358, 1218716, 1523395, 2132753, 2437432, 3046790, 4265506, 6093580, 8531012, 10663765, 12187160, 17062024, 21327530, 42655060, 85310120]

約数ペア:

[(1, 85310120), (2, 42655060), (4, 21327530), (5, 17062024), (7, 12187160), (8, 10663765), (10, 8531012), (14, 6093580), (20, 4265506), (28, 3046790), (35, 2437432), (40, 2132753), (56, 1523395), (70, 1218716), (140, 609358), (280, 304679), (547, 155960), (557, 153160), (1094, 77980), (1114, 76580), (2188, 38990), (2228, 38290), (2735, 31192), (2785, 30632), (3829, 22280), (3899, 21880), (4376, 19495), (4456, 19145), (5470, 15596), (5570, 15316), (7658, 11140), (7798, 10940)]