15841980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 62447616

約数和(自身を除く): 46605636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 99, 105, 108, 110, 126, 127, 132, 135, 140, 154, 162, 165, 180, 189, 198, 210, 220, 231, 252, 254, 270, 297, 308, 315, 324, 330, 378, 381, 385, 396, 405, 420, 462, 495, 508, 540, 567, 594, 630, 635, 660, 693, 756, 762, 770, 810, 889, 891, 924, 945, 990, 1134, 1143, 1155, 1188, 1260, 1270, 1386, 1397, 1485, 1524, 1540, 1620, 1778, 1782, 1890, 1905, 1980, 2079, 2268, 2286, 2310, 2540, 2667, 2772, 2794, 2835, 2970, 3429, 3465, 3556, 3564, 3780, 3810, 4158, 4191, 4445, 4455, 4572, 4620, 5334, 5588, 5670, 5715, 5940, 6237, 6858, 6930, 6985, 7620, 8001, 8316, 8382, 8890, 8910, 9779, 10287, 10395, 10668, 11340, 11430, 12474, 12573, 13335, 13716, 13860, 13970, 16002, 16764, 17145, 17780, 17820, 19558, 20574, 20790, 20955, 22860, 24003, 24948, 25146, 26670, 27940, 29337, 31185, 32004, 34290, 37719, 39116, 40005, 41148, 41580, 41910, 48006, 48895, 50292, 51435, 53340, 58674, 62370, 62865, 68580, 72009, 75438, 80010, 83820, 88011, 96012, 97790, 102870, 113157, 117348, 120015, 124740, 125730, 144018, 146685, 150876, 160020, 176022, 188595, 195580, 205740, 226314, 240030, 251460, 264033, 288036, 293370, 352044, 360045, 377190, 440055, 452628, 480060, 528066, 565785, 586740, 720090, 754380, 792099, 880110, 1056132, 1131570, 1320165, 1440180, 1584198, 1760220, 2263140, 2640330, 3168396, 3960495, 5280660, 7920990, 15841980]

約数ペア:

[(1, 15841980), (2, 7920990), (3, 5280660), (4, 3960495), (5, 3168396), (6, 2640330), (7, 2263140), (9, 1760220), (10, 1584198), (11, 1440180), (12, 1320165), (14, 1131570), (15, 1056132), (18, 880110), (20, 792099), (21, 754380), (22, 720090), (27, 586740), (28, 565785), (30, 528066), (33, 480060), (35, 452628), (36, 440055), (42, 377190), (44, 360045), (45, 352044), (54, 293370), (55, 288036), (60, 264033), (63, 251460), (66, 240030), (70, 226314), (77, 205740), (81, 195580), (84, 188595), (90, 176022), (99, 160020), (105, 150876), (108, 146685), (110, 144018), (126, 125730), (127, 124740), (132, 120015), (135, 117348), (140, 113157), (154, 102870), (162, 97790), (165, 96012), (180, 88011), (189, 83820), (198, 80010), (210, 75438), (220, 72009), (231, 68580), (252, 62865), (254, 62370), (270, 58674), (297, 53340), (308, 51435), (315, 50292), (324, 48895), (330, 48006), (378, 41910), (381, 41580), (385, 41148), (396, 40005), (405, 39116), (420, 37719), (462, 34290), (495, 32004), (508, 31185), (540, 29337), (567, 27940), (594, 26670), (630, 25146), (635, 24948), (660, 24003), (693, 22860), (756, 20955), (762, 20790), (770, 20574), (810, 19558), (889, 17820), (891, 17780), (924, 17145), (945, 16764), (990, 16002), (1134, 13970), (1143, 13860), (1155, 13716), (1188, 13335), (1260, 12573), (1270, 12474), (1386, 11430), (1397, 11340), (1485, 10668), (1524, 10395), (1540, 10287), (1620, 9779), (1778, 8910), (1782, 8890), (1890, 8382), (1905, 8316), (1980, 8001), (2079, 7620), (2268, 6985), (2286, 6930), (2310, 6858), (2540, 6237), (2667, 5940), (2772, 5715), (2794, 5670), (2835, 5588), (2970, 5334), (3429, 4620), (3465, 4572), (3556, 4455), (3564, 4445), (3780, 4191), (3810, 4158)]