264804560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 637901136

約数和(自身を除く): 373096576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 137, 148, 185, 274, 296, 370, 548, 592, 653, 685, 740, 1096, 1306, 1370, 1480, 2192, 2612, 2740, 2960, 3265, 5069, 5224, 5480, 6530, 10138, 10448, 10960, 13060, 20276, 24161, 25345, 26120, 40552, 48322, 50690, 52240, 81104, 89461, 96644, 101380, 120805, 178922, 193288, 202760, 241610, 357844, 386576, 405520, 447305, 483220, 715688, 894610, 966440, 1431376, 1789220, 1932880, 3310057, 3578440, 6620114, 7156880, 13240228, 16550285, 26480456, 33100570, 52960912, 66201140, 132402280, 264804560]

約数ペア:

[(1, 264804560), (2, 132402280), (4, 66201140), (5, 52960912), (8, 33100570), (10, 26480456), (16, 16550285), (20, 13240228), (37, 7156880), (40, 6620114), (74, 3578440), (80, 3310057), (137, 1932880), (148, 1789220), (185, 1431376), (274, 966440), (296, 894610), (370, 715688), (548, 483220), (592, 447305), (653, 405520), (685, 386576), (740, 357844), (1096, 241610), (1306, 202760), (1370, 193288), (1480, 178922), (2192, 120805), (2612, 101380), (2740, 96644), (2960, 89461), (3265, 81104), (5069, 52240), (5224, 50690), (5480, 48322), (6530, 40552), (10138, 26120), (10448, 25345), (10960, 24161), (13060, 20276)]