128710484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 288798720

約数和(自身を除く): 160088236

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 67, 76, 92, 133, 134, 157, 161, 266, 268, 314, 322, 437, 469, 532, 628, 644, 874, 938, 1099, 1273, 1541, 1748, 1876, 2198, 2546, 2983, 3059, 3082, 3611, 4396, 5092, 5966, 6118, 6164, 7222, 8911, 10519, 10787, 11932, 12236, 14444, 17822, 20881, 21038, 21574, 25277, 29279, 35644, 41762, 42076, 43148, 50554, 58558, 68609, 73633, 83524, 101108, 117116, 137218, 147266, 199861, 204953, 241937, 274436, 294532, 399722, 409906, 480263, 483874, 799444, 819812, 960526, 967748, 1399027, 1693559, 1921052, 2798054, 3387118, 4596803, 5596108, 6774236, 9193606, 18387212, 32177621, 64355242, 128710484]

約数ペア:

[(1, 128710484), (2, 64355242), (4, 32177621), (7, 18387212), (14, 9193606), (19, 6774236), (23, 5596108), (28, 4596803), (38, 3387118), (46, 2798054), (67, 1921052), (76, 1693559), (92, 1399027), (133, 967748), (134, 960526), (157, 819812), (161, 799444), (266, 483874), (268, 480263), (314, 409906), (322, 399722), (437, 294532), (469, 274436), (532, 241937), (628, 204953), (644, 199861), (874, 147266), (938, 137218), (1099, 117116), (1273, 101108), (1541, 83524), (1748, 73633), (1876, 68609), (2198, 58558), (2546, 50554), (2983, 43148), (3059, 42076), (3082, 41762), (3611, 35644), (4396, 29279), (5092, 25277), (5966, 21574), (6118, 21038), (6164, 20881), (7222, 17822), (8911, 14444), (10519, 12236), (10787, 11932)]