81431790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{22433}}^1$

素因数の和:22465

約数の個数: 48

約数和(自身を含む): 214827984

約数和(自身を除く): 133396194

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 22433, 44866, 67299, 112165, 134598, 224330, 246763, 336495, 493526, 672990, 740289, 1233815, 1480578, 2467630, 2714393, 3701445, 5428786, 7402890, 8143179, 13571965, 16286358, 27143930, 40715895, 81431790]

約数ペア:

[(1, 81431790), (2, 40715895), (3, 27143930), (5, 16286358), (6, 13571965), (10, 8143179), (11, 7402890), (15, 5428786), (22, 3701445), (30, 2714393), (33, 2467630), (55, 1480578), (66, 1233815), (110, 740289), (121, 672990), (165, 493526), (242, 336495), (330, 246763), (363, 224330), (605, 134598), (726, 112165), (1210, 67299), (1815, 44866), (3630, 22433)]