81780372

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 212503200

約数和(自身を除く): 130722828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 139, 177, 236, 277, 278, 354, 417, 531, 554, 556, 708, 831, 834, 1062, 1108, 1251, 1662, 1668, 2124, 2493, 2502, 3324, 4986, 5004, 8201, 9972, 16343, 16402, 24603, 32686, 32804, 38503, 49029, 49206, 65372, 73809, 77006, 98058, 98412, 115509, 147087, 147618, 154012, 196116, 231018, 294174, 295236, 346527, 462036, 588348, 693054, 1386108, 2271677, 4543354, 6815031, 9086708, 13630062, 20445093, 27260124, 40890186, 81780372]

約数ペア:

[(1, 81780372), (2, 40890186), (3, 27260124), (4, 20445093), (6, 13630062), (9, 9086708), (12, 6815031), (18, 4543354), (36, 2271677), (59, 1386108), (118, 693054), (139, 588348), (177, 462036), (236, 346527), (277, 295236), (278, 294174), (354, 231018), (417, 196116), (531, 154012), (554, 147618), (556, 147087), (708, 115509), (831, 98412), (834, 98058), (1062, 77006), (1108, 73809), (1251, 65372), (1662, 49206), (1668, 49029), (2124, 38503), (2493, 32804), (2502, 32686), (3324, 24603), (4986, 16402), (5004, 16343), (8201, 9972)]