30639280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54713}}^1$

素因数の和:54733

約数の個数: 40

約数和(自身を含む): 81414432

約数和(自身を除く): 50775152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54713, 109426, 218852, 273565, 382991, 437704, 547130, 765982, 875408, 1094260, 1531964, 1914955, 2188520, 3063928, 3829910, 4377040, 6127856, 7659820, 15319640, 30639280]

約数ペア:

[(1, 30639280), (2, 15319640), (4, 7659820), (5, 6127856), (7, 4377040), (8, 3829910), (10, 3063928), (14, 2188520), (16, 1914955), (20, 1531964), (28, 1094260), (35, 875408), (40, 765982), (56, 547130), (70, 437704), (80, 382991), (112, 273565), (140, 218852), (280, 109426), (560, 54713)]