1808480

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 4354560

約数和(自身を除く): 2546080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 127, 160, 178, 254, 356, 445, 508, 635, 712, 890, 1016, 1270, 1424, 1780, 2032, 2540, 2848, 3560, 4064, 5080, 7120, 10160, 11303, 14240, 20320, 22606, 45212, 56515, 90424, 113030, 180848, 226060, 361696, 452120, 904240, 1808480]

約数ペア:

[(1, 1808480), (2, 904240), (4, 452120), (5, 361696), (8, 226060), (10, 180848), (16, 113030), (20, 90424), (32, 56515), (40, 45212), (80, 22606), (89, 20320), (127, 14240), (160, 11303), (178, 10160), (254, 7120), (356, 5080), (445, 4064), (508, 3560), (635, 2848), (712, 2540), (890, 2032), (1016, 1780), (1270, 1424)]