3278531840

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18427}}^1$

素因数の和:18587

約数の個数: 72

約数和(自身を含む): 7910034720

約数和(自身を除く): 4631502880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 695, 1112, 1280, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 17792, 18427, 22240, 35584, 36854, 44480, 73708, 88960, 92135, 147416, 177920, 184270, 294832, 368540, 589664, 737080, 1179328, 1474160, 2358656, 2561353, 2948320, 4717312, 5122706, 5896640, 10245412, 11793280, 12806765, 20490824, 23586560, 25613530, 40981648, 51227060, 81963296, 102454120, 163926592, 204908240, 327853184, 409816480, 655706368, 819632960, 1639265920, 3278531840]

約数ペア:

[(1, 3278531840), (2, 1639265920), (4, 819632960), (5, 655706368), (8, 409816480), (10, 327853184), (16, 204908240), (20, 163926592), (32, 102454120), (40, 81963296), (64, 51227060), (80, 40981648), (128, 25613530), (139, 23586560), (160, 20490824), (256, 12806765), (278, 11793280), (320, 10245412), (556, 5896640), (640, 5122706), (695, 4717312), (1112, 2948320), (1280, 2561353), (1390, 2358656), (2224, 1474160), (2780, 1179328), (4448, 737080), (5560, 589664), (8896, 368540), (11120, 294832), (17792, 184270), (18427, 177920), (22240, 147416), (35584, 92135), (36854, 88960), (44480, 73708)]