72554720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64781}}^1$

素因数の和:64803

約数の個数: 48

約数和(自身を含む): 195900768

約数和(自身を除く): 123346048

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, 64781, 129562, 259124, 323905, 453467, 518248, 647810, 906934, 1036496, 1295620, 1813868, 2072992, 2267335, 2591240, 3627736, 4534670, 5182480, 7255472, 9069340, 10364960, 14510944, 18138680, 36277360, 72554720]

約数ペア:

[(1, 72554720), (2, 36277360), (4, 18138680), (5, 14510944), (7, 10364960), (8, 9069340), (10, 7255472), (14, 5182480), (16, 4534670), (20, 3627736), (28, 2591240), (32, 2267335), (35, 2072992), (40, 1813868), (56, 1295620), (70, 1036496), (80, 906934), (112, 647810), (140, 518248), (160, 453467), (224, 323905), (280, 259124), (560, 129562), (1120, 64781)]