1243440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 4584528

約数和(自身を除く): 3341088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 157, 165, 176, 180, 198, 220, 240, 264, 314, 330, 360, 396, 440, 471, 495, 528, 628, 660, 720, 785, 792, 880, 942, 990, 1256, 1320, 1413, 1570, 1584, 1727, 1884, 1980, 2355, 2512, 2640, 2826, 3140, 3454, 3768, 3960, 4710, 5181, 5652, 6280, 6908, 7065, 7536, 7920, 8635, 9420, 10362, 11304, 12560, 13816, 14130, 15543, 17270, 18840, 20724, 22608, 25905, 27632, 28260, 31086, 34540, 37680, 41448, 51810, 56520, 62172, 69080, 77715, 82896, 103620, 113040, 124344, 138160, 155430, 207240, 248688, 310860, 414480, 621720, 1243440]

約数ペア:

[(1, 1243440), (2, 621720), (3, 414480), (4, 310860), (5, 248688), (6, 207240), (8, 155430), (9, 138160), (10, 124344), (11, 113040), (12, 103620), (15, 82896), (16, 77715), (18, 69080), (20, 62172), (22, 56520), (24, 51810), (30, 41448), (33, 37680), (36, 34540), (40, 31086), (44, 28260), (45, 27632), (48, 25905), (55, 22608), (60, 20724), (66, 18840), (72, 17270), (80, 15543), (88, 14130), (90, 13816), (99, 12560), (110, 11304), (120, 10362), (132, 9420), (144, 8635), (157, 7920), (165, 7536), (176, 7065), (180, 6908), (198, 6280), (220, 5652), (240, 5181), (264, 4710), (314, 3960), (330, 3768), (360, 3454), (396, 3140), (440, 2826), (471, 2640), (495, 2512), (528, 2355), (628, 1980), (660, 1884), (720, 1727), (785, 1584), (792, 1570), (880, 1413), (942, 1320), (990, 1256)]