80521320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61001}}^1$

素因数の和:61026

約数の個数: 64

約数和(自身を含む): 263528640

約数和(自身を除く): 183007320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61001, 122002, 183003, 244004, 305005, 366006, 488008, 610010, 671011, 732012, 915015, 1220020, 1342022, 1464024, 1830030, 2013033, 2440040, 2684044, 3355055, 3660060, 4026066, 5368088, 6710110, 7320120, 8052132, 10065165, 13420220, 16104264, 20130330, 26840440, 40260660, 80521320]

約数ペア:

[(1, 80521320), (2, 40260660), (3, 26840440), (4, 20130330), (5, 16104264), (6, 13420220), (8, 10065165), (10, 8052132), (11, 7320120), (12, 6710110), (15, 5368088), (20, 4026066), (22, 3660060), (24, 3355055), (30, 2684044), (33, 2440040), (40, 2013033), (44, 1830030), (55, 1464024), (60, 1342022), (66, 1220020), (88, 915015), (110, 732012), (120, 671011), (132, 610010), (165, 488008), (220, 366006), (264, 305005), (330, 244004), (440, 183003), (660, 122002), (1320, 61001)]