280804560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1170019}}^1$

素因数の和:1170035

約数の個数: 40

約数和(自身を含む): 870494880

約数和(自身を除く): 589690320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1170019, 2340038, 3510057, 4680076, 5850095, 7020114, 9360152, 11700190, 14040228, 17550285, 18720304, 23400380, 28080456, 35100570, 46800760, 56160912, 70201140, 93601520, 140402280, 280804560]

約数ペア:

[(1, 280804560), (2, 140402280), (3, 93601520), (4, 70201140), (5, 56160912), (6, 46800760), (8, 35100570), (10, 28080456), (12, 23400380), (15, 18720304), (16, 17550285), (20, 14040228), (24, 11700190), (30, 9360152), (40, 7020114), (48, 5850095), (60, 4680076), (80, 3510057), (120, 2340038), (240, 1170019)]