1215930995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 1649894400

約数和(自身を除く): 433963405

約数列:

[1, 5, 23, 29, 43, 61, 115, 139, 145, 215, 305, 667, 695, 989, 1247, 1403, 1769, 2623, 3197, 3335, 4031, 4945, 5977, 6235, 7015, 8479, 8845, 13115, 15985, 20155, 28681, 29885, 40687, 42395, 60329, 76067, 92713, 137471, 143405, 173333, 195017, 203435, 245891, 301645, 364597, 380335, 463565, 687355, 866665, 975085, 1229455, 1749541, 1822985, 3986659, 5655493, 8385731, 8747705, 10573313, 19933295, 28277465, 41928655, 52866565, 243186199, 1215930995]

約数ペア:

[(1, 1215930995), (5, 243186199), (23, 52866565), (29, 41928655), (43, 28277465), (61, 19933295), (115, 10573313), (139, 8747705), (145, 8385731), (215, 5655493), (305, 3986659), (667, 1822985), (695, 1749541), (989, 1229455), (1247, 975085), (1403, 866665), (1769, 687355), (2623, 463565), (3197, 380335), (3335, 364597), (4031, 301645), (4945, 245891), (5977, 203435), (6235, 195017), (7015, 173333), (8479, 143405), (8845, 137471), (13115, 92713), (15985, 76067), (20155, 60329), (28681, 42395), (29885, 40687)]