278330360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3929}}^1$

素因数の和:3981

約数の個数: 128

約数和(自身を含む): 814924800

約数和(自身を除く): 536594440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1265, 1288, 1540, 1610, 1771, 2024, 2530, 3080, 3220, 3542, 3929, 5060, 6440, 7084, 7858, 8855, 10120, 14168, 15716, 17710, 19645, 27503, 31432, 35420, 39290, 43219, 55006, 70840, 78580, 86438, 90367, 110012, 137515, 157160, 172876, 180734, 216095, 220024, 275030, 302533, 345752, 361468, 432190, 451835, 550060, 605066, 632569, 722936, 864380, 903670, 994037, 1100120, 1210132, 1265138, 1512665, 1728760, 1807340, 1988074, 2420264, 2530276, 3025330, 3162845, 3614680, 3976148, 4970185, 5060552, 6050660, 6325690, 6958259, 7952296, 9940370, 12101320, 12651380, 13916518, 19880740, 25302760, 27833036, 34791295, 39761480, 55666072, 69582590, 139165180, 278330360]

約数ペア:

[(1, 278330360), (2, 139165180), (4, 69582590), (5, 55666072), (7, 39761480), (8, 34791295), (10, 27833036), (11, 25302760), (14, 19880740), (20, 13916518), (22, 12651380), (23, 12101320), (28, 9940370), (35, 7952296), (40, 6958259), (44, 6325690), (46, 6050660), (55, 5060552), (56, 4970185), (70, 3976148), (77, 3614680), (88, 3162845), (92, 3025330), (110, 2530276), (115, 2420264), (140, 1988074), (154, 1807340), (161, 1728760), (184, 1512665), (220, 1265138), (230, 1210132), (253, 1100120), (280, 994037), (308, 903670), (322, 864380), (385, 722936), (440, 632569), (460, 605066), (506, 550060), (616, 451835), (644, 432190), (770, 361468), (805, 345752), (920, 302533), (1012, 275030), (1265, 220024), (1288, 216095), (1540, 180734), (1610, 172876), (1771, 157160), (2024, 137515), (2530, 110012), (3080, 90367), (3220, 86438), (3542, 78580), (3929, 70840), (5060, 55006), (6440, 43219), (7084, 39290), (7858, 35420), (8855, 31432), (10120, 27503), (14168, 19645), (15716, 17710)]