81231646680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225643463}}^1$

素因数の和:225643480

約数の個数: 48

約数和(自身を含む): 264002852880

約数和(自身を除く): 182771206200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225643463, 451286926, 676930389, 902573852, 1128217315, 1353860778, 1805147704, 2030791167, 2256434630, 2707721556, 3384651945, 4061582334, 4512869260, 5415443112, 6769303890, 8123164668, 9025738520, 10153955835, 13538607780, 16246329336, 20307911670, 27077215560, 40615823340, 81231646680]

約数ペア:

[(1, 81231646680), (2, 40615823340), (3, 27077215560), (4, 20307911670), (5, 16246329336), (6, 13538607780), (8, 10153955835), (9, 9025738520), (10, 8123164668), (12, 6769303890), (15, 5415443112), (18, 4512869260), (20, 4061582334), (24, 3384651945), (30, 2707721556), (36, 2256434630), (40, 2030791167), (45, 1805147704), (60, 1353860778), (72, 1128217315), (90, 902573852), (120, 676930389), (180, 451286926), (360, 225643463)]