261573120

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11353}}^1$

素因数の和:11382

約数の個数: 120

約数和(自身を含む): 905981076

約数和(自身を除く): 644407956

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11353, 11520, 22706, 23040, 34059, 45412, 56765, 68118, 90824, 102177, 113530, 136236, 170295, 181648, 204354, 227060, 272472, 340590, 363296, 408708, 454120, 510885, 544944, 681180, 726592, 817416, 908240, 1021770, 1089888, 1362360, 1453184, 1634832, 1816480, 2043540, 2179776, 2724720, 2906368, 3269664, 3632960, 4087080, 4359552, 5449440, 5812736, 6539328, 7265920, 8174160, 8719104, 10898880, 13078656, 14531840, 16348320, 17438208, 21797760, 26157312, 29063680, 32696640, 43595520, 52314624, 65393280, 87191040, 130786560, 261573120]

約数ペア:

[(1, 261573120), (2, 130786560), (3, 87191040), (4, 65393280), (5, 52314624), (6, 43595520), (8, 32696640), (9, 29063680), (10, 26157312), (12, 21797760), (15, 17438208), (16, 16348320), (18, 14531840), (20, 13078656), (24, 10898880), (30, 8719104), (32, 8174160), (36, 7265920), (40, 6539328), (45, 5812736), (48, 5449440), (60, 4359552), (64, 4087080), (72, 3632960), (80, 3269664), (90, 2906368), (96, 2724720), (120, 2179776), (128, 2043540), (144, 1816480), (160, 1634832), (180, 1453184), (192, 1362360), (240, 1089888), (256, 1021770), (288, 908240), (320, 817416), (360, 726592), (384, 681180), (480, 544944), (512, 510885), (576, 454120), (640, 408708), (720, 363296), (768, 340590), (960, 272472), (1152, 227060), (1280, 204354), (1440, 181648), (1536, 170295), (1920, 136236), (2304, 113530), (2560, 102177), (2880, 90824), (3840, 68118), (4608, 56765), (5760, 45412), (7680, 34059), (11353, 23040), (11520, 22706)]