20072160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 144

約数和(自身を含む): 70053984

約数和(自身を除く): 49981824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 263, 265, 288, 318, 360, 424, 477, 480, 526, 530, 636, 720, 789, 795, 848, 954, 1052, 1060, 1272, 1315, 1440, 1578, 1590, 1696, 1908, 2104, 2120, 2367, 2385, 2544, 2630, 3156, 3180, 3816, 3945, 4208, 4240, 4734, 4770, 5088, 5260, 6312, 6360, 7632, 7890, 8416, 8480, 9468, 9540, 10520, 11835, 12624, 12720, 13939, 15264, 15780, 18936, 19080, 21040, 23670, 25248, 25440, 27878, 31560, 37872, 38160, 41817, 42080, 47340, 55756, 63120, 69695, 75744, 76320, 83634, 94680, 111512, 125451, 126240, 139390, 167268, 189360, 209085, 223024, 250902, 278780, 334536, 378720, 418170, 446048, 501804, 557560, 627255, 669072, 836340, 1003608, 1115120, 1254510, 1338144, 1672680, 2007216, 2230240, 2509020, 3345360, 4014432, 5018040, 6690720, 10036080, 20072160]

約数ペア:

[(1, 20072160), (2, 10036080), (3, 6690720), (4, 5018040), (5, 4014432), (6, 3345360), (8, 2509020), (9, 2230240), (10, 2007216), (12, 1672680), (15, 1338144), (16, 1254510), (18, 1115120), (20, 1003608), (24, 836340), (30, 669072), (32, 627255), (36, 557560), (40, 501804), (45, 446048), (48, 418170), (53, 378720), (60, 334536), (72, 278780), (80, 250902), (90, 223024), (96, 209085), (106, 189360), (120, 167268), (144, 139390), (159, 126240), (160, 125451), (180, 111512), (212, 94680), (240, 83634), (263, 76320), (265, 75744), (288, 69695), (318, 63120), (360, 55756), (424, 47340), (477, 42080), (480, 41817), (526, 38160), (530, 37872), (636, 31560), (720, 27878), (789, 25440), (795, 25248), (848, 23670), (954, 21040), (1052, 19080), (1060, 18936), (1272, 15780), (1315, 15264), (1440, 13939), (1578, 12720), (1590, 12624), (1696, 11835), (1908, 10520), (2104, 9540), (2120, 9468), (2367, 8480), (2385, 8416), (2544, 7890), (2630, 7632), (3156, 6360), (3180, 6312), (3816, 5260), (3945, 5088), (4208, 4770), (4240, 4734)]