68616520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{911}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 108676280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 911, 1076, 1345, 1822, 1883, 2152, 2690, 3644, 3766, 4555, 5380, 6377, 7288, 7532, 9110, 9415, 10760, 12754, 15064, 18220, 18830, 25508, 31885, 36440, 37660, 51016, 63770, 75320, 127540, 245059, 255080, 490118, 980236, 1225295, 1715413, 1960472, 2450590, 3430826, 4901180, 6861652, 8577065, 9802360, 13723304, 17154130, 34308260, 68616520]

約数ペア:

[(1, 68616520), (2, 34308260), (4, 17154130), (5, 13723304), (7, 9802360), (8, 8577065), (10, 6861652), (14, 4901180), (20, 3430826), (28, 2450590), (35, 1960472), (40, 1715413), (56, 1225295), (70, 980236), (140, 490118), (269, 255080), (280, 245059), (538, 127540), (911, 75320), (1076, 63770), (1345, 51016), (1822, 37660), (1883, 36440), (2152, 31885), (2690, 25508), (3644, 18830), (3766, 18220), (4555, 15064), (5380, 12754), (6377, 10760), (7288, 9415), (7532, 9110)]