40686660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{659}}^1$

素因数の和:695

約数の個数: 144

約数和(自身を含む): 144144000

約数和(自身を除く): 103457340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 659, 686, 735, 882, 980, 1029, 1260, 1318, 1372, 1470, 1715, 1764, 1977, 2058, 2205, 2636, 2940, 3087, 3295, 3430, 3954, 4116, 4410, 4613, 5145, 5931, 6174, 6590, 6860, 7908, 8820, 9226, 9885, 10290, 11862, 12348, 13180, 13839, 15435, 18452, 19770, 20580, 23065, 23724, 27678, 29655, 30870, 32291, 39540, 41517, 46130, 55356, 59310, 61740, 64582, 69195, 83034, 92260, 96873, 118620, 129164, 138390, 161455, 166068, 193746, 207585, 226037, 276780, 290619, 322910, 387492, 415170, 452074, 484365, 581238, 645820, 678111, 830340, 904148, 968730, 1130185, 1162476, 1356222, 1453095, 1937460, 2034333, 2260370, 2712444, 2906190, 3390555, 4068666, 4520740, 5812380, 6781110, 8137332, 10171665, 13562220, 20343330, 40686660]

約数ペア:

[(1, 40686660), (2, 20343330), (3, 13562220), (4, 10171665), (5, 8137332), (6, 6781110), (7, 5812380), (9, 4520740), (10, 4068666), (12, 3390555), (14, 2906190), (15, 2712444), (18, 2260370), (20, 2034333), (21, 1937460), (28, 1453095), (30, 1356222), (35, 1162476), (36, 1130185), (42, 968730), (45, 904148), (49, 830340), (60, 678111), (63, 645820), (70, 581238), (84, 484365), (90, 452074), (98, 415170), (105, 387492), (126, 322910), (140, 290619), (147, 276780), (180, 226037), (196, 207585), (210, 193746), (245, 166068), (252, 161455), (294, 138390), (315, 129164), (343, 118620), (420, 96873), (441, 92260), (490, 83034), (588, 69195), (630, 64582), (659, 61740), (686, 59310), (735, 55356), (882, 46130), (980, 41517), (1029, 39540), (1260, 32291), (1318, 30870), (1372, 29655), (1470, 27678), (1715, 23724), (1764, 23065), (1977, 20580), (2058, 19770), (2205, 18452), (2636, 15435), (2940, 13839), (3087, 13180), (3295, 12348), (3430, 11862), (3954, 10290), (4116, 9885), (4410, 9226), (4613, 8820), (5145, 7908), (5931, 6860), (6174, 6590)]