2578947720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{21491231}}^1$

素因数の和:21491245

約数の個数: 32

約数和(自身を含む): 7736843520

約数和(自身を除く): 5157895800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 21491231, 42982462, 64473693, 85964924, 107456155, 128947386, 171929848, 214912310, 257894772, 322368465, 429824620, 515789544, 644736930, 859649240, 1289473860, 2578947720]

約数ペア:

[(1, 2578947720), (2, 1289473860), (3, 859649240), (4, 644736930), (5, 515789544), (6, 429824620), (8, 322368465), (10, 257894772), (12, 214912310), (15, 171929848), (20, 128947386), (24, 107456155), (30, 85964924), (40, 64473693), (60, 42982462), (120, 21491231)]