261623180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3343}}^1$

素因数の和:3415

約数の個数: 96

約数和(自身を含む): 692127744

約数和(自身を除く): 430504564

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 860, 910, 1118, 1204, 1505, 1820, 2236, 2795, 3010, 3343, 3913, 5590, 6020, 6686, 7826, 11180, 13372, 15652, 16715, 19565, 23401, 33430, 39130, 43459, 46802, 66860, 78260, 86918, 93604, 117005, 143749, 173836, 217295, 234010, 287498, 304213, 434590, 468020, 574996, 608426, 718745, 869180, 1006243, 1216852, 1437490, 1521065, 1868737, 2012486, 2874980, 3042130, 3737474, 4024972, 5031215, 6084260, 7474948, 9343685, 10062430, 13081159, 18687370, 20124860, 26162318, 37374740, 52324636, 65405795, 130811590, 261623180]

約数ペア:

[(1, 261623180), (2, 130811590), (4, 65405795), (5, 52324636), (7, 37374740), (10, 26162318), (13, 20124860), (14, 18687370), (20, 13081159), (26, 10062430), (28, 9343685), (35, 7474948), (43, 6084260), (52, 5031215), (65, 4024972), (70, 3737474), (86, 3042130), (91, 2874980), (130, 2012486), (140, 1868737), (172, 1521065), (182, 1437490), (215, 1216852), (260, 1006243), (301, 869180), (364, 718745), (430, 608426), (455, 574996), (559, 468020), (602, 434590), (860, 304213), (910, 287498), (1118, 234010), (1204, 217295), (1505, 173836), (1820, 143749), (2236, 117005), (2795, 93604), (3010, 86918), (3343, 78260), (3913, 66860), (5590, 46802), (6020, 43459), (6686, 39130), (7826, 33430), (11180, 23401), (13372, 19565), (15652, 16715)]