2019949440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6701}}^1$

素因数の和:6880

約数の個数: 128

約数和(自身を含む): 6480565920

約数和(自身を除く): 4460616480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 314, 320, 384, 471, 480, 628, 640, 785, 942, 960, 1256, 1570, 1884, 1920, 2355, 2512, 3140, 3768, 4710, 5024, 6280, 6701, 7536, 9420, 10048, 12560, 13402, 15072, 18840, 20096, 20103, 25120, 26804, 30144, 33505, 37680, 40206, 50240, 53608, 60288, 67010, 75360, 80412, 100480, 100515, 107216, 134020, 150720, 160824, 201030, 214432, 268040, 301440, 321648, 402060, 428864, 536080, 643296, 804120, 857728, 1052057, 1072160, 1286592, 1608240, 2104114, 2144320, 2573184, 3156171, 3216480, 4208228, 4288640, 5260285, 6312342, 6432960, 8416456, 10520570, 12624684, 12865920, 15780855, 16832912, 21041140, 25249368, 31561710, 33665824, 42082280, 50498736, 63123420, 67331648, 84164560, 100997472, 126246840, 134663296, 168329120, 201994944, 252493680, 336658240, 403989888, 504987360, 673316480, 1009974720, 2019949440]

約数ペア:

[(1, 2019949440), (2, 1009974720), (3, 673316480), (4, 504987360), (5, 403989888), (6, 336658240), (8, 252493680), (10, 201994944), (12, 168329120), (15, 134663296), (16, 126246840), (20, 100997472), (24, 84164560), (30, 67331648), (32, 63123420), (40, 50498736), (48, 42082280), (60, 33665824), (64, 31561710), (80, 25249368), (96, 21041140), (120, 16832912), (128, 15780855), (157, 12865920), (160, 12624684), (192, 10520570), (240, 8416456), (314, 6432960), (320, 6312342), (384, 5260285), (471, 4288640), (480, 4208228), (628, 3216480), (640, 3156171), (785, 2573184), (942, 2144320), (960, 2104114), (1256, 1608240), (1570, 1286592), (1884, 1072160), (1920, 1052057), (2355, 857728), (2512, 804120), (3140, 643296), (3768, 536080), (4710, 428864), (5024, 402060), (6280, 321648), (6701, 301440), (7536, 268040), (9420, 214432), (10048, 201030), (12560, 160824), (13402, 150720), (15072, 134020), (18840, 107216), (20096, 100515), (20103, 100480), (25120, 80412), (26804, 75360), (30144, 67010), (33505, 60288), (37680, 53608), (40206, 50240)]