1996808520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{8837}}^1$

素因数の和:9127

約数の個数: 128

約数和(自身を含む): 6872428800

約数和(自身を除く): 4875620280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 269, 280, 420, 538, 807, 840, 1076, 1345, 1614, 1883, 2152, 2690, 3228, 3766, 4035, 5380, 5649, 6456, 7532, 8070, 8837, 9415, 10760, 11298, 15064, 16140, 17674, 18830, 22596, 26511, 28245, 32280, 35348, 37660, 44185, 45192, 53022, 56490, 61859, 70696, 75320, 88370, 106044, 112980, 123718, 132555, 176740, 185577, 212088, 225960, 247436, 265110, 309295, 353480, 371154, 494872, 530220, 618590, 742308, 927885, 1060440, 1237180, 1484616, 1855770, 2377153, 2474360, 3711540, 4754306, 7131459, 7423080, 9508612, 11885765, 14262918, 16640071, 19017224, 23771530, 28525836, 33280142, 35657295, 47543060, 49920213, 57051672, 66560284, 71314590, 83200355, 95086120, 99840426, 133120568, 142629180, 166400710, 199680852, 249601065, 285258360, 332801420, 399361704, 499202130, 665602840, 998404260, 1996808520]

約数ペア:

[(1, 1996808520), (2, 998404260), (3, 665602840), (4, 499202130), (5, 399361704), (6, 332801420), (7, 285258360), (8, 249601065), (10, 199680852), (12, 166400710), (14, 142629180), (15, 133120568), (20, 99840426), (21, 95086120), (24, 83200355), (28, 71314590), (30, 66560284), (35, 57051672), (40, 49920213), (42, 47543060), (56, 35657295), (60, 33280142), (70, 28525836), (84, 23771530), (105, 19017224), (120, 16640071), (140, 14262918), (168, 11885765), (210, 9508612), (269, 7423080), (280, 7131459), (420, 4754306), (538, 3711540), (807, 2474360), (840, 2377153), (1076, 1855770), (1345, 1484616), (1614, 1237180), (1883, 1060440), (2152, 927885), (2690, 742308), (3228, 618590), (3766, 530220), (4035, 494872), (5380, 371154), (5649, 353480), (6456, 309295), (7532, 265110), (8070, 247436), (8837, 225960), (9415, 212088), (10760, 185577), (11298, 176740), (15064, 132555), (16140, 123718), (17674, 112980), (18830, 106044), (22596, 88370), (26511, 75320), (28245, 70696), (32280, 61859), (35348, 56490), (37660, 53022), (44185, 45192)]