12209760

素因数分解:

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

素因数の和:221

約数の個数: 144

約数和(自身を含む): 42653520

約数和(自身を除く): 30443760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 139, 144, 160, 180, 183, 240, 244, 278, 288, 305, 360, 366, 417, 480, 488, 549, 556, 610, 695, 720, 732, 834, 915, 976, 1098, 1112, 1220, 1251, 1390, 1440, 1464, 1668, 1830, 1952, 2085, 2196, 2224, 2440, 2502, 2745, 2780, 2928, 3336, 3660, 4170, 4392, 4448, 4880, 5004, 5490, 5560, 5856, 6255, 6672, 7320, 8340, 8479, 8784, 9760, 10008, 10980, 11120, 12510, 13344, 14640, 16680, 16958, 17568, 20016, 21960, 22240, 25020, 25437, 29280, 33360, 33916, 40032, 42395, 43920, 50040, 50874, 66720, 67832, 76311, 84790, 87840, 100080, 101748, 127185, 135664, 152622, 169580, 200160, 203496, 254370, 271328, 305244, 339160, 381555, 406992, 508740, 610488, 678320, 763110, 813984, 1017480, 1220976, 1356640, 1526220, 2034960, 2441952, 3052440, 4069920, 6104880, 12209760]

約数ペア:

[(1, 12209760), (2, 6104880), (3, 4069920), (4, 3052440), (5, 2441952), (6, 2034960), (8, 1526220), (9, 1356640), (10, 1220976), (12, 1017480), (15, 813984), (16, 763110), (18, 678320), (20, 610488), (24, 508740), (30, 406992), (32, 381555), (36, 339160), (40, 305244), (45, 271328), (48, 254370), (60, 203496), (61, 200160), (72, 169580), (80, 152622), (90, 135664), (96, 127185), (120, 101748), (122, 100080), (139, 87840), (144, 84790), (160, 76311), (180, 67832), (183, 66720), (240, 50874), (244, 50040), (278, 43920), (288, 42395), (305, 40032), (360, 33916), (366, 33360), (417, 29280), (480, 25437), (488, 25020), (549, 22240), (556, 21960), (610, 20016), (695, 17568), (720, 16958), (732, 16680), (834, 14640), (915, 13344), (976, 12510), (1098, 11120), (1112, 10980), (1220, 10008), (1251, 9760), (1390, 8784), (1440, 8479), (1464, 8340), (1668, 7320), (1830, 6672), (1952, 6255), (2085, 5856), (2196, 5560), (2224, 5490), (2440, 5004), (2502, 4880), (2745, 4448), (2780, 4392), (2928, 4170), (3336, 3660)]