65557240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1709}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 169905600

約数和(自身を除く): 104348360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1709, 1918, 2740, 3418, 3836, 4795, 5480, 6836, 7672, 8545, 9590, 11963, 13672, 17090, 19180, 23926, 34180, 38360, 47852, 59815, 68360, 95704, 119630, 234133, 239260, 468266, 478520, 936532, 1170665, 1638931, 1873064, 2341330, 3277862, 4682660, 6555724, 8194655, 9365320, 13111448, 16389310, 32778620, 65557240]

約数ペア:

[(1, 65557240), (2, 32778620), (4, 16389310), (5, 13111448), (7, 9365320), (8, 8194655), (10, 6555724), (14, 4682660), (20, 3277862), (28, 2341330), (35, 1873064), (40, 1638931), (56, 1170665), (70, 936532), (137, 478520), (140, 468266), (274, 239260), (280, 234133), (548, 119630), (685, 95704), (959, 68360), (1096, 59815), (1370, 47852), (1709, 38360), (1918, 34180), (2740, 23926), (3418, 19180), (3836, 17090), (4795, 13672), (5480, 11963), (6836, 9590), (7672, 8545)]