66121520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 165926880

約数和(自身を除く): 99805360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1061, 1520, 1558, 1640, 2122, 3116, 3280, 3895, 4244, 5305, 6232, 7790, 8488, 10610, 12464, 15580, 16976, 20159, 21220, 31160, 40318, 42440, 43501, 62320, 80636, 84880, 87002, 100795, 161272, 174004, 201590, 217505, 322544, 348008, 403180, 435010, 696016, 806360, 826519, 870020, 1612720, 1653038, 1740040, 3306076, 3480080, 4132595, 6612152, 8265190, 13224304, 16530380, 33060760, 66121520]

約数ペア:

[(1, 66121520), (2, 33060760), (4, 16530380), (5, 13224304), (8, 8265190), (10, 6612152), (16, 4132595), (19, 3480080), (20, 3306076), (38, 1740040), (40, 1653038), (41, 1612720), (76, 870020), (80, 826519), (82, 806360), (95, 696016), (152, 435010), (164, 403180), (190, 348008), (205, 322544), (304, 217505), (328, 201590), (380, 174004), (410, 161272), (656, 100795), (760, 87002), (779, 84880), (820, 80636), (1061, 62320), (1520, 43501), (1558, 42440), (1640, 40318), (2122, 31160), (3116, 21220), (3280, 20159), (3895, 16976), (4244, 15580), (5305, 12464), (6232, 10610), (7790, 8488)]