51309720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 256

約数和(自身を含む): 213580800

約数和(自身を除く): 162271080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 617, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1234, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1851, 1890, 1980, 2079, 2310, 2376, 2468, 2520, 2772, 2970, 3080, 3085, 3465, 3702, 3780, 3960, 4158, 4319, 4620, 4936, 5544, 5553, 5940, 6170, 6787, 6930, 7404, 7560, 8316, 8638, 9240, 9255, 10395, 11106, 11880, 12340, 12957, 13574, 13860, 14808, 16632, 16659, 17276, 18510, 20361, 20790, 21595, 22212, 24680, 25914, 27148, 27720, 27765, 33318, 33935, 34552, 37020, 38871, 40722, 41580, 43190, 44424, 47509, 51828, 54296, 55530, 61083, 64785, 66636, 67870, 74040, 77742, 81444, 83160, 83295, 86380, 95018, 101805, 103656, 111060, 116613, 122166, 129570, 133272, 135740, 142527, 155484, 162888, 166590, 172760, 183249, 190036, 194355, 203610, 222120, 233226, 237545, 244332, 259140, 271480, 285054, 305415, 310968, 333180, 366498, 380072, 388710, 407220, 427581, 466452, 475090, 488664, 518280, 570108, 583065, 610830, 666360, 712635, 732996, 777420, 814440, 855162, 916245, 932904, 950180, 1140216, 1166130, 1221660, 1282743, 1425270, 1465992, 1554840, 1710324, 1832490, 1900360, 2137905, 2332260, 2443320, 2565486, 2850540, 3420648, 3664980, 4275810, 4664520, 5130972, 5701080, 6413715, 7329960, 8551620, 10261944, 12827430, 17103240, 25654860, 51309720]

約数ペア:

[(1, 51309720), (2, 25654860), (3, 17103240), (4, 12827430), (5, 10261944), (6, 8551620), (7, 7329960), (8, 6413715), (9, 5701080), (10, 5130972), (11, 4664520), (12, 4275810), (14, 3664980), (15, 3420648), (18, 2850540), (20, 2565486), (21, 2443320), (22, 2332260), (24, 2137905), (27, 1900360), (28, 1832490), (30, 1710324), (33, 1554840), (35, 1465992), (36, 1425270), (40, 1282743), (42, 1221660), (44, 1166130), (45, 1140216), (54, 950180), (55, 932904), (56, 916245), (60, 855162), (63, 814440), (66, 777420), (70, 732996), (72, 712635), (77, 666360), (84, 610830), (88, 583065), (90, 570108), (99, 518280), (105, 488664), (108, 475090), (110, 466452), (120, 427581), (126, 407220), (132, 388710), (135, 380072), (140, 366498), (154, 333180), (165, 310968), (168, 305415), (180, 285054), (189, 271480), (198, 259140), (210, 244332), (216, 237545), (220, 233226), (231, 222120), (252, 203610), (264, 194355), (270, 190036), (280, 183249), (297, 172760), (308, 166590), (315, 162888), (330, 155484), (360, 142527), (378, 135740), (385, 133272), (396, 129570), (420, 122166), (440, 116613), (462, 111060), (495, 103656), (504, 101805), (540, 95018), (594, 86380), (616, 83295), (617, 83160), (630, 81444), (660, 77742), (693, 74040), (756, 67870), (770, 66636), (792, 64785), (840, 61083), (924, 55530), (945, 54296), (990, 51828), (1080, 47509), (1155, 44424), (1188, 43190), (1234, 41580), (1260, 40722), (1320, 38871), (1386, 37020), (1485, 34552), (1512, 33935), (1540, 33318), (1848, 27765), (1851, 27720), (1890, 27148), (1980, 25914), (2079, 24680), (2310, 22212), (2376, 21595), (2468, 20790), (2520, 20361), (2772, 18510), (2970, 17276), (3080, 16659), (3085, 16632), (3465, 14808), (3702, 13860), (3780, 13574), (3960, 12957), (4158, 12340), (4319, 11880), (4620, 11106), (4936, 10395), (5544, 9255), (5553, 9240), (5940, 8638), (6170, 8316), (6787, 7560), (6930, 7404)]