121382980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 280304640

約数和(自身を除く): 158921660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 43, 58, 62, 86, 116, 124, 145, 155, 157, 172, 215, 290, 310, 314, 430, 580, 620, 628, 785, 860, 899, 1247, 1333, 1570, 1798, 2494, 2666, 3140, 3596, 4495, 4553, 4867, 4988, 5332, 6235, 6665, 6751, 8990, 9106, 9734, 12470, 13330, 13502, 17980, 18212, 19468, 22765, 24335, 24940, 26660, 27004, 33755, 38657, 45530, 48670, 67510, 77314, 91060, 97340, 135020, 141143, 154628, 193285, 195779, 209281, 282286, 386570, 391558, 418562, 564572, 705715, 773140, 783116, 837124, 978895, 1046405, 1411430, 1957790, 2092810, 2822860, 3915580, 4185620, 6069149, 12138298, 24276596, 30345745, 60691490, 121382980]

約数ペア:

[(1, 121382980), (2, 60691490), (4, 30345745), (5, 24276596), (10, 12138298), (20, 6069149), (29, 4185620), (31, 3915580), (43, 2822860), (58, 2092810), (62, 1957790), (86, 1411430), (116, 1046405), (124, 978895), (145, 837124), (155, 783116), (157, 773140), (172, 705715), (215, 564572), (290, 418562), (310, 391558), (314, 386570), (430, 282286), (580, 209281), (620, 195779), (628, 193285), (785, 154628), (860, 141143), (899, 135020), (1247, 97340), (1333, 91060), (1570, 77314), (1798, 67510), (2494, 48670), (2666, 45530), (3140, 38657), (3596, 33755), (4495, 27004), (4553, 26660), (4867, 24940), (4988, 24335), (5332, 22765), (6235, 19468), (6665, 18212), (6751, 17980), (8990, 13502), (9106, 13330), (9734, 12470)]