255514160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2819}}^1$

素因数の和:2946

約数の個数: 80

約数和(自身を含む): 654600960

約数和(自身を除く): 399086800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 412, 440, 515, 824, 880, 1030, 1133, 1648, 2060, 2266, 2819, 4120, 4532, 5638, 5665, 8240, 9064, 11276, 11330, 14095, 18128, 22552, 22660, 28190, 31009, 45104, 45320, 56380, 62018, 90640, 112760, 124036, 155045, 225520, 248072, 290357, 310090, 496144, 580714, 620180, 1161428, 1240360, 1451785, 2322856, 2480720, 2903570, 3193927, 4645712, 5807140, 6387854, 11614280, 12775708, 15969635, 23228560, 25551416, 31939270, 51102832, 63878540, 127757080, 255514160]

約数ペア:

[(1, 255514160), (2, 127757080), (4, 63878540), (5, 51102832), (8, 31939270), (10, 25551416), (11, 23228560), (16, 15969635), (20, 12775708), (22, 11614280), (40, 6387854), (44, 5807140), (55, 4645712), (80, 3193927), (88, 2903570), (103, 2480720), (110, 2322856), (176, 1451785), (206, 1240360), (220, 1161428), (412, 620180), (440, 580714), (515, 496144), (824, 310090), (880, 290357), (1030, 248072), (1133, 225520), (1648, 155045), (2060, 124036), (2266, 112760), (2819, 90640), (4120, 62018), (4532, 56380), (5638, 45320), (5665, 45104), (8240, 31009), (9064, 28190), (11276, 22660), (11330, 22552), (14095, 18128)]