15591520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13921}}^1$

素因数の和:13943

約数の個数: 48

約数和(自身を含む): 42100128

約数和(自身を除く): 26508608

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, 13921, 27842, 55684, 69605, 97447, 111368, 139210, 194894, 222736, 278420, 389788, 445472, 487235, 556840, 779576, 974470, 1113680, 1559152, 1948940, 2227360, 3118304, 3897880, 7795760, 15591520]

約数ペア:

[(1, 15591520), (2, 7795760), (4, 3897880), (5, 3118304), (7, 2227360), (8, 1948940), (10, 1559152), (14, 1113680), (16, 974470), (20, 779576), (28, 556840), (32, 487235), (35, 445472), (40, 389788), (56, 278420), (70, 222736), (80, 194894), (112, 139210), (140, 111368), (160, 97447), (224, 69605), (280, 55684), (560, 27842), (1120, 13921)]