2080920105

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2659}}^1$

素因数の和:2732

約数の個数: 128

約数和(自身を含む): 4412620800

約数和(自身を除く): 2331700695

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 31, 33, 45, 51, 55, 85, 93, 99, 135, 153, 155, 165, 187, 255, 279, 297, 341, 459, 465, 495, 527, 561, 765, 837, 935, 1023, 1395, 1485, 1581, 1683, 1705, 2295, 2635, 2659, 2805, 3069, 4185, 4743, 5049, 5115, 5797, 7905, 7977, 8415, 9207, 13295, 14229, 15345, 17391, 23715, 23931, 25245, 28985, 29249, 39885, 45203, 46035, 52173, 71145, 71793, 82429, 86955, 87747, 119655, 135609, 146245, 156519, 226015, 247287, 260865, 263241, 358965, 406827, 412145, 438735, 497233, 678045, 741861, 782595, 789723, 906719, 1220481, 1236435, 1316205, 1401293, 1491699, 2034135, 2225583, 2486165, 2720157, 3709305, 3948615, 4203879, 4475097, 4533595, 6102405, 7006465, 7458495, 8160471, 11127915, 12611637, 13425291, 13600785, 15414223, 21019395, 22375485, 24481413, 37834911, 40802355, 46242669, 63058185, 67126455, 77071115, 122407065, 138728007, 189174555, 231213345, 416184021, 693640035, 2080920105]

約数ペア:

[(1, 2080920105), (3, 693640035), (5, 416184021), (9, 231213345), (11, 189174555), (15, 138728007), (17, 122407065), (27, 77071115), (31, 67126455), (33, 63058185), (45, 46242669), (51, 40802355), (55, 37834911), (85, 24481413), (93, 22375485), (99, 21019395), (135, 15414223), (153, 13600785), (155, 13425291), (165, 12611637), (187, 11127915), (255, 8160471), (279, 7458495), (297, 7006465), (341, 6102405), (459, 4533595), (465, 4475097), (495, 4203879), (527, 3948615), (561, 3709305), (765, 2720157), (837, 2486165), (935, 2225583), (1023, 2034135), (1395, 1491699), (1485, 1401293), (1581, 1316205), (1683, 1236435), (1705, 1220481), (2295, 906719), (2635, 789723), (2659, 782595), (2805, 741861), (3069, 678045), (4185, 497233), (4743, 438735), (5049, 412145), (5115, 406827), (5797, 358965), (7905, 263241), (7977, 260865), (8415, 247287), (9207, 226015), (13295, 156519), (14229, 146245), (15345, 135609), (17391, 119655), (23715, 87747), (23931, 86955), (25245, 82429), (28985, 71793), (29249, 71145), (39885, 52173), (45203, 46035)]