77519890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 168583680

約数和(自身を除く): 91063790

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 89, 115, 161, 178, 230, 322, 445, 541, 623, 805, 890, 1082, 1246, 1610, 2047, 2705, 3115, 3787, 4094, 5410, 6230, 7574, 10235, 12443, 14329, 18935, 20470, 24886, 28658, 37870, 48149, 62215, 71645, 87101, 96298, 124430, 143290, 174202, 240745, 337043, 435505, 481490, 674086, 871010, 1107427, 1685215, 2214854, 3370430, 5537135, 7751989, 11074270, 15503978, 38759945, 77519890]

約数ペア:

[(1, 77519890), (2, 38759945), (5, 15503978), (7, 11074270), (10, 7751989), (14, 5537135), (23, 3370430), (35, 2214854), (46, 1685215), (70, 1107427), (89, 871010), (115, 674086), (161, 481490), (178, 435505), (230, 337043), (322, 240745), (445, 174202), (541, 143290), (623, 124430), (805, 96298), (890, 87101), (1082, 71645), (1246, 62215), (1610, 48149), (2047, 37870), (2705, 28658), (3115, 24886), (3787, 20470), (4094, 18935), (5410, 14329), (6230, 12443), (7574, 10235)]