81219670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 177417216

約数和(自身を除く): 96197546

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 161, 230, 305, 322, 427, 610, 805, 827, 854, 1403, 1610, 1654, 2135, 2806, 4135, 4270, 5789, 7015, 8270, 9821, 11578, 14030, 19021, 19642, 28945, 38042, 49105, 50447, 57890, 95105, 98210, 100894, 133147, 190210, 252235, 266294, 353129, 504470, 665735, 706258, 1160281, 1331470, 1765645, 2320562, 3531290, 5801405, 8121967, 11602810, 16243934, 40609835, 81219670]

約数ペア:

[(1, 81219670), (2, 40609835), (5, 16243934), (7, 11602810), (10, 8121967), (14, 5801405), (23, 3531290), (35, 2320562), (46, 1765645), (61, 1331470), (70, 1160281), (115, 706258), (122, 665735), (161, 504470), (230, 353129), (305, 266294), (322, 252235), (427, 190210), (610, 133147), (805, 100894), (827, 98210), (854, 95105), (1403, 57890), (1610, 50447), (1654, 49105), (2135, 38042), (2806, 28945), (4135, 19642), (4270, 19021), (5789, 14030), (7015, 11578), (8270, 9821)]