91357280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81569}}^1$

素因数の和:81591

約数の個数: 48

約数和(自身を含む): 246667680

約数和(自身を除く): 155310400

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, 81569, 163138, 326276, 407845, 570983, 652552, 815690, 1141966, 1305104, 1631380, 2283932, 2610208, 2854915, 3262760, 4567864, 5709830, 6525520, 9135728, 11419660, 13051040, 18271456, 22839320, 45678640, 91357280]

約数ペア:

[(1, 91357280), (2, 45678640), (4, 22839320), (5, 18271456), (7, 13051040), (8, 11419660), (10, 9135728), (14, 6525520), (16, 5709830), (20, 4567864), (28, 3262760), (32, 2854915), (35, 2610208), (40, 2283932), (56, 1631380), (70, 1305104), (80, 1141966), (112, 815690), (140, 652552), (160, 570983), (224, 407845), (280, 326276), (560, 163138), (1120, 81569)]