77967540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61879}}^1$

素因数の和:61901

約数の個数: 72

約数和(自身を含む): 270291840

約数和(自身を除く): 192324300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 61879, 123758, 185637, 247516, 309395, 371274, 433153, 556911, 618790, 742548, 866306, 928185, 1113822, 1237580, 1299459, 1732612, 1856370, 2165765, 2227644, 2598918, 2784555, 3712740, 3898377, 4331530, 5197836, 5569110, 6497295, 7796754, 8663060, 11138220, 12994590, 15593508, 19491885, 25989180, 38983770, 77967540]

約数ペア:

[(1, 77967540), (2, 38983770), (3, 25989180), (4, 19491885), (5, 15593508), (6, 12994590), (7, 11138220), (9, 8663060), (10, 7796754), (12, 6497295), (14, 5569110), (15, 5197836), (18, 4331530), (20, 3898377), (21, 3712740), (28, 2784555), (30, 2598918), (35, 2227644), (36, 2165765), (42, 1856370), (45, 1732612), (60, 1299459), (63, 1237580), (70, 1113822), (84, 928185), (90, 866306), (105, 742548), (126, 618790), (140, 556911), (180, 433153), (210, 371274), (252, 309395), (315, 247516), (420, 185637), (630, 123758), (1260, 61879)]