515880540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{409429}}^1$

素因数の和:409451

約数の個数: 72

約数和(自身を含む): 1788390240

約数和(自身を除く): 1272509700

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, 409429, 818858, 1228287, 1637716, 2047145, 2456574, 2866003, 3684861, 4094290, 4913148, 5732006, 6141435, 7369722, 8188580, 8598009, 11464012, 12282870, 14330015, 14739444, 17196018, 18424305, 24565740, 25794027, 28660030, 34392036, 36848610, 42990045, 51588054, 57320060, 73697220, 85980090, 103176108, 128970135, 171960180, 257940270, 515880540]

約数ペア:

[(1, 515880540), (2, 257940270), (3, 171960180), (4, 128970135), (5, 103176108), (6, 85980090), (7, 73697220), (9, 57320060), (10, 51588054), (12, 42990045), (14, 36848610), (15, 34392036), (18, 28660030), (20, 25794027), (21, 24565740), (28, 18424305), (30, 17196018), (35, 14739444), (36, 14330015), (42, 12282870), (45, 11464012), (60, 8598009), (63, 8188580), (70, 7369722), (84, 6141435), (90, 5732006), (105, 4913148), (126, 4094290), (140, 3684861), (180, 2866003), (210, 2456574), (252, 2047145), (315, 1637716), (420, 1228287), (630, 818858), (1260, 409429)]