51891480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 182800800

約数和(自身を除く): 130909320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 61, 68, 72, 85, 90, 102, 120, 122, 136, 139, 153, 170, 180, 183, 204, 244, 255, 278, 305, 306, 340, 360, 366, 408, 417, 488, 510, 549, 556, 610, 612, 680, 695, 732, 765, 834, 915, 1020, 1037, 1098, 1112, 1220, 1224, 1251, 1390, 1464, 1530, 1668, 1830, 2040, 2074, 2085, 2196, 2363, 2440, 2502, 2745, 2780, 3060, 3111, 3336, 3660, 4148, 4170, 4392, 4726, 5004, 5185, 5490, 5560, 6120, 6222, 6255, 7089, 7320, 8296, 8340, 8479, 9333, 9452, 10008, 10370, 10980, 11815, 12444, 12510, 14178, 15555, 16680, 16958, 18666, 18904, 20740, 21267, 21960, 23630, 24888, 25020, 25437, 28356, 31110, 33916, 35445, 37332, 41480, 42395, 42534, 46665, 47260, 50040, 50874, 56712, 62220, 67832, 70890, 74664, 76311, 84790, 85068, 93330, 94520, 101748, 106335, 124440, 127185, 141780, 144143, 152622, 169580, 170136, 186660, 203496, 212670, 254370, 283560, 288286, 305244, 339160, 373320, 381555, 425340, 432429, 508740, 576572, 610488, 720715, 763110, 850680, 864858, 1017480, 1153144, 1297287, 1441430, 1526220, 1729716, 2162145, 2594574, 2882860, 3052440, 3459432, 4324290, 5189148, 5765720, 6486435, 8648580, 10378296, 12972870, 17297160, 25945740, 51891480]

約数ペア:

[(1, 51891480), (2, 25945740), (3, 17297160), (4, 12972870), (5, 10378296), (6, 8648580), (8, 6486435), (9, 5765720), (10, 5189148), (12, 4324290), (15, 3459432), (17, 3052440), (18, 2882860), (20, 2594574), (24, 2162145), (30, 1729716), (34, 1526220), (36, 1441430), (40, 1297287), (45, 1153144), (51, 1017480), (60, 864858), (61, 850680), (68, 763110), (72, 720715), (85, 610488), (90, 576572), (102, 508740), (120, 432429), (122, 425340), (136, 381555), (139, 373320), (153, 339160), (170, 305244), (180, 288286), (183, 283560), (204, 254370), (244, 212670), (255, 203496), (278, 186660), (305, 170136), (306, 169580), (340, 152622), (360, 144143), (366, 141780), (408, 127185), (417, 124440), (488, 106335), (510, 101748), (549, 94520), (556, 93330), (610, 85068), (612, 84790), (680, 76311), (695, 74664), (732, 70890), (765, 67832), (834, 62220), (915, 56712), (1020, 50874), (1037, 50040), (1098, 47260), (1112, 46665), (1220, 42534), (1224, 42395), (1251, 41480), (1390, 37332), (1464, 35445), (1530, 33916), (1668, 31110), (1830, 28356), (2040, 25437), (2074, 25020), (2085, 24888), (2196, 23630), (2363, 21960), (2440, 21267), (2502, 20740), (2745, 18904), (2780, 18666), (3060, 16958), (3111, 16680), (3336, 15555), (3660, 14178), (4148, 12510), (4170, 12444), (4392, 11815), (4726, 10980), (5004, 10370), (5185, 10008), (5490, 9452), (5560, 9333), (6120, 8479), (6222, 8340), (6255, 8296), (7089, 7320)]