128867280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536947}}^1$

素因数の和:536963

約数の個数: 40

約数和(自身を含む): 399489312

約数和(自身を除く): 270622032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536947, 1073894, 1610841, 2147788, 2684735, 3221682, 4295576, 5369470, 6443364, 8054205, 8591152, 10738940, 12886728, 16108410, 21477880, 25773456, 32216820, 42955760, 64433640, 128867280]

約数ペア:

[(1, 128867280), (2, 64433640), (3, 42955760), (4, 32216820), (5, 25773456), (6, 21477880), (8, 16108410), (10, 12886728), (12, 10738940), (15, 8591152), (16, 8054205), (20, 6443364), (24, 5369470), (30, 4295576), (40, 3221682), (48, 2684735), (60, 2147788), (80, 1610841), (120, 1073894), (240, 536947)]