1261476720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{83431}}^1$

素因数の和:83460

約数の個数: 160

約数和(自身を含む): 4965872640

約数和(自身を除く): 3704395920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 83431, 166862, 250293, 333724, 417155, 500586, 584017, 667448, 750879, 834310, 1001172, 1168034, 1251465, 1334896, 1501758, 1668620, 1752051, 2002344, 2252637, 2336068, 2502930, 2920085, 3003516, 3337240, 3504102, 3754395, 4004688, 4505274, 4672136, 5005860, 5256153, 5840170, 6007032, 6674480, 7008204, 7508790, 8760255, 9010548, 9344272, 10011720, 10512306, 11263185, 11680340, 12014064, 14016408, 15017580, 15768459, 17520510, 18021096, 20023440, 21024612, 22526370, 23360680, 26280765, 28032816, 30035160, 31536918, 35041020, 36042192, 42049224, 45052740, 46721360, 52561530, 60070320, 63073836, 70082040, 78842295, 84098448, 90105480, 105123060, 126147672, 140164080, 157684590, 180210960, 210246120, 252295344, 315369180, 420492240, 630738360, 1261476720]

約数ペア:

[(1, 1261476720), (2, 630738360), (3, 420492240), (4, 315369180), (5, 252295344), (6, 210246120), (7, 180210960), (8, 157684590), (9, 140164080), (10, 126147672), (12, 105123060), (14, 90105480), (15, 84098448), (16, 78842295), (18, 70082040), (20, 63073836), (21, 60070320), (24, 52561530), (27, 46721360), (28, 45052740), (30, 42049224), (35, 36042192), (36, 35041020), (40, 31536918), (42, 30035160), (45, 28032816), (48, 26280765), (54, 23360680), (56, 22526370), (60, 21024612), (63, 20023440), (70, 18021096), (72, 17520510), (80, 15768459), (84, 15017580), (90, 14016408), (105, 12014064), (108, 11680340), (112, 11263185), (120, 10512306), (126, 10011720), (135, 9344272), (140, 9010548), (144, 8760255), (168, 7508790), (180, 7008204), (189, 6674480), (210, 6007032), (216, 5840170), (240, 5256153), (252, 5005860), (270, 4672136), (280, 4505274), (315, 4004688), (336, 3754395), (360, 3504102), (378, 3337240), (420, 3003516), (432, 2920085), (504, 2502930), (540, 2336068), (560, 2252637), (630, 2002344), (720, 1752051), (756, 1668620), (840, 1501758), (945, 1334896), (1008, 1251465), (1080, 1168034), (1260, 1001172), (1512, 834310), (1680, 750879), (1890, 667448), (2160, 584017), (2520, 500586), (3024, 417155), (3780, 333724), (5040, 250293), (7560, 166862), (15120, 83431)]