80808420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17491}}^1$

素因数の和:17521

約数の個数: 96

約数和(自身を含む): 282110976

約数和(自身を除く): 201302556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 17491, 34982, 52473, 69964, 87455, 104946, 122437, 174910, 192401, 209892, 244874, 262365, 349820, 367311, 384802, 489748, 524730, 577203, 612185, 734622, 769604, 962005, 1049460, 1154406, 1224370, 1346807, 1469244, 1836555, 1924010, 2308812, 2448740, 2693614, 2886015, 3673110, 3848020, 4040421, 5387228, 5772030, 6734035, 7346220, 8080842, 11544060, 13468070, 16161684, 20202105, 26936140, 40404210, 80808420]

約数ペア:

[(1, 80808420), (2, 40404210), (3, 26936140), (4, 20202105), (5, 16161684), (6, 13468070), (7, 11544060), (10, 8080842), (11, 7346220), (12, 6734035), (14, 5772030), (15, 5387228), (20, 4040421), (21, 3848020), (22, 3673110), (28, 2886015), (30, 2693614), (33, 2448740), (35, 2308812), (42, 1924010), (44, 1836555), (55, 1469244), (60, 1346807), (66, 1224370), (70, 1154406), (77, 1049460), (84, 962005), (105, 769604), (110, 734622), (132, 612185), (140, 577203), (154, 524730), (165, 489748), (210, 384802), (220, 367311), (231, 349820), (308, 262365), (330, 244874), (385, 209892), (420, 192401), (462, 174910), (660, 122437), (770, 104946), (924, 87455), (1155, 69964), (1540, 52473), (2310, 34982), (4620, 17491)]