77715680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69389}}^1$

素因数の和:69411

約数の個数: 48

約数和(自身を含む): 209835360

約数和(自身を除く): 132119680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69389, 138778, 277556, 346945, 485723, 555112, 693890, 971446, 1110224, 1387780, 1942892, 2220448, 2428615, 2775560, 3885784, 4857230, 5551120, 7771568, 9714460, 11102240, 15543136, 19428920, 38857840, 77715680]

約数ペア:

[(1, 77715680), (2, 38857840), (4, 19428920), (5, 15543136), (7, 11102240), (8, 9714460), (10, 7771568), (14, 5551120), (16, 4857230), (20, 3885784), (28, 2775560), (32, 2428615), (35, 2220448), (40, 1942892), (56, 1387780), (70, 1110224), (80, 971446), (112, 693890), (140, 555112), (160, 485723), (224, 346945), (280, 277556), (560, 138778), (1120, 69389)]