161616840

素因数分解:

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

素因数の和:17523

約数の個数: 128

約数和(自身を含む): 604523520

約数和(自身を除く): 442906680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 17491, 34982, 52473, 69964, 87455, 104946, 122437, 139928, 174910, 192401, 209892, 244874, 262365, 349820, 367311, 384802, 419784, 489748, 524730, 577203, 612185, 699640, 734622, 769604, 962005, 979496, 1049460, 1154406, 1224370, 1346807, 1469244, 1539208, 1836555, 1924010, 2098920, 2308812, 2448740, 2693614, 2886015, 2938488, 3673110, 3848020, 4040421, 4617624, 4897480, 5387228, 5772030, 6734035, 7346220, 7696040, 8080842, 10774456, 11544060, 13468070, 14692440, 16161684, 20202105, 23088120, 26936140, 32323368, 40404210, 53872280, 80808420, 161616840]

約数ペア:

[(1, 161616840), (2, 80808420), (3, 53872280), (4, 40404210), (5, 32323368), (6, 26936140), (7, 23088120), (8, 20202105), (10, 16161684), (11, 14692440), (12, 13468070), (14, 11544060), (15, 10774456), (20, 8080842), (21, 7696040), (22, 7346220), (24, 6734035), (28, 5772030), (30, 5387228), (33, 4897480), (35, 4617624), (40, 4040421), (42, 3848020), (44, 3673110), (55, 2938488), (56, 2886015), (60, 2693614), (66, 2448740), (70, 2308812), (77, 2098920), (84, 1924010), (88, 1836555), (105, 1539208), (110, 1469244), (120, 1346807), (132, 1224370), (140, 1154406), (154, 1049460), (165, 979496), (168, 962005), (210, 769604), (220, 734622), (231, 699640), (264, 612185), (280, 577203), (308, 524730), (330, 489748), (385, 419784), (420, 384802), (440, 367311), (462, 349820), (616, 262365), (660, 244874), (770, 209892), (840, 192401), (924, 174910), (1155, 139928), (1320, 122437), (1540, 104946), (1848, 87455), (2310, 69964), (3080, 52473), (4620, 34982), (9240, 17491)]