19951388520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1250087}}^1$

素因数の和:1250127

約数の個数: 128

約数和(自身を含む): 72005068800

約数和(自身を除く): 52053680280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1250087, 2500174, 3750261, 5000348, 6250435, 7500522, 8750609, 10000696, 12500870, 15001044, 17501218, 18751305, 23751653, 25001740, 26251827, 30002088, 35002436, 37502610, 43753045, 47503306, 50003480, 52503654, 70004872, 71254959, 75005220, 87506090, 95006612, 105007308, 118758265, 131259135, 142509918, 150010440, 166261571, 175012180, 190013224, 210014616, 237516530, 262518270, 285019836, 332523142, 350024360, 356274795, 475033060, 498784713, 525036540, 570039672, 665046284, 712549590, 831307855, 950066120, 997569426, 1050073080, 1330092568, 1425099180, 1662615710, 1995138852, 2493923565, 2850198360, 3325231420, 3990277704, 4987847130, 6650462840, 9975694260, 19951388520]

約数ペア:

[(1, 19951388520), (2, 9975694260), (3, 6650462840), (4, 4987847130), (5, 3990277704), (6, 3325231420), (7, 2850198360), (8, 2493923565), (10, 1995138852), (12, 1662615710), (14, 1425099180), (15, 1330092568), (19, 1050073080), (20, 997569426), (21, 950066120), (24, 831307855), (28, 712549590), (30, 665046284), (35, 570039672), (38, 525036540), (40, 498784713), (42, 475033060), (56, 356274795), (57, 350024360), (60, 332523142), (70, 285019836), (76, 262518270), (84, 237516530), (95, 210014616), (105, 190013224), (114, 175012180), (120, 166261571), (133, 150010440), (140, 142509918), (152, 131259135), (168, 118758265), (190, 105007308), (210, 95006612), (228, 87506090), (266, 75005220), (280, 71254959), (285, 70004872), (380, 52503654), (399, 50003480), (420, 47503306), (456, 43753045), (532, 37502610), (570, 35002436), (665, 30002088), (760, 26251827), (798, 25001740), (840, 23751653), (1064, 18751305), (1140, 17501218), (1330, 15001044), (1596, 12500870), (1995, 10000696), (2280, 8750609), (2660, 7500522), (3192, 6250435), (3990, 5000348), (5320, 3750261), (7980, 2500174), (15960, 1250087)]