1800540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1451

約数の個数: 72

約数和(自身を含む): 6246240

約数和(自身を除く): 4445700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1429, 2858, 4287, 5716, 7145, 8574, 10003, 12861, 14290, 17148, 20006, 21435, 25722, 28580, 30009, 40012, 42870, 50015, 51444, 60018, 64305, 85740, 90027, 100030, 120036, 128610, 150045, 180054, 200060, 257220, 300090, 360108, 450135, 600180, 900270, 1800540]

約数ペア:

[(1, 1800540), (2, 900270), (3, 600180), (4, 450135), (5, 360108), (6, 300090), (7, 257220), (9, 200060), (10, 180054), (12, 150045), (14, 128610), (15, 120036), (18, 100030), (20, 90027), (21, 85740), (28, 64305), (30, 60018), (35, 51444), (36, 50015), (42, 42870), (45, 40012), (60, 30009), (63, 28580), (70, 25722), (84, 21435), (90, 20006), (105, 17148), (126, 14290), (140, 12861), (180, 10003), (210, 8574), (252, 7145), (315, 5716), (420, 4287), (630, 2858), (1260, 1429)]