55287540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3989}}^1$

素因数の和:4022

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 153852300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 3989, 4620, 6930, 7978, 11967, 13860, 15956, 19945, 23934, 27923, 35901, 39890, 43879, 47868, 55846, 59835, 71802, 79780, 83769, 87758, 111692, 119670, 131637, 139615, 143604, 167538, 175516, 179505, 219395, 239340, 251307, 263274, 279230, 307153, 335076, 359010, 394911, 418845, 438790, 502614, 526548, 558460, 614306, 658185, 718020, 789822, 837690, 877580, 921459, 1005228, 1228612, 1256535, 1316370, 1535765, 1579644, 1675380, 1842918, 1974555, 2513070, 2632740, 2764377, 3071530, 3685836, 3949110, 4607295, 5026140, 5528754, 6143060, 7898220, 9214590, 11057508, 13821885, 18429180, 27643770, 55287540]

約数ペア:

[(1, 55287540), (2, 27643770), (3, 18429180), (4, 13821885), (5, 11057508), (6, 9214590), (7, 7898220), (9, 6143060), (10, 5528754), (11, 5026140), (12, 4607295), (14, 3949110), (15, 3685836), (18, 3071530), (20, 2764377), (21, 2632740), (22, 2513070), (28, 1974555), (30, 1842918), (33, 1675380), (35, 1579644), (36, 1535765), (42, 1316370), (44, 1256535), (45, 1228612), (55, 1005228), (60, 921459), (63, 877580), (66, 837690), (70, 789822), (77, 718020), (84, 658185), (90, 614306), (99, 558460), (105, 526548), (110, 502614), (126, 438790), (132, 418845), (140, 394911), (154, 359010), (165, 335076), (180, 307153), (198, 279230), (210, 263274), (220, 251307), (231, 239340), (252, 219395), (308, 179505), (315, 175516), (330, 167538), (385, 143604), (396, 139615), (420, 131637), (462, 119670), (495, 111692), (630, 87758), (660, 83769), (693, 79780), (770, 71802), (924, 59835), (990, 55846), (1155, 47868), (1260, 43879), (1386, 39890), (1540, 35901), (1980, 27923), (2310, 23934), (2772, 19945), (3465, 15956), (3989, 13860), (4620, 11967), (6930, 7978)]