820140720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11353}}^1$

素因数の和:11419

約数の個数: 160

約数和(自身を含む): 2973476352

約数和(自身を除く): 2153335632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3612, 4515, 4816, 5160, 6020, 7224, 9030, 10320, 11353, 12040, 14448, 18060, 22706, 24080, 34059, 36120, 45412, 56765, 68118, 72240, 79471, 90824, 113530, 136236, 158942, 170295, 181648, 227060, 238413, 272472, 317884, 340590, 397355, 454120, 476826, 488179, 544944, 635768, 681180, 794710, 908240, 953652, 976358, 1192065, 1271536, 1362360, 1464537, 1589420, 1907304, 1952716, 2384130, 2440895, 2724720, 2929074, 3178840, 3417253, 3814608, 3905432, 4768260, 4881790, 5858148, 6357680, 6834506, 7322685, 7810864, 9536520, 9763580, 10251759, 11716296, 13669012, 14645370, 17086265, 19073040, 19527160, 20503518, 23432592, 27338024, 29290740, 34172530, 39054320, 41007036, 51258795, 54676048, 58581480, 68345060, 82014072, 102517590, 117162960, 136690120, 164028144, 205035180, 273380240, 410070360, 820140720]

約数ペア:

[(1, 820140720), (2, 410070360), (3, 273380240), (4, 205035180), (5, 164028144), (6, 136690120), (7, 117162960), (8, 102517590), (10, 82014072), (12, 68345060), (14, 58581480), (15, 54676048), (16, 51258795), (20, 41007036), (21, 39054320), (24, 34172530), (28, 29290740), (30, 27338024), (35, 23432592), (40, 20503518), (42, 19527160), (43, 19073040), (48, 17086265), (56, 14645370), (60, 13669012), (70, 11716296), (80, 10251759), (84, 9763580), (86, 9536520), (105, 7810864), (112, 7322685), (120, 6834506), (129, 6357680), (140, 5858148), (168, 4881790), (172, 4768260), (210, 3905432), (215, 3814608), (240, 3417253), (258, 3178840), (280, 2929074), (301, 2724720), (336, 2440895), (344, 2384130), (420, 1952716), (430, 1907304), (516, 1589420), (560, 1464537), (602, 1362360), (645, 1271536), (688, 1192065), (840, 976358), (860, 953652), (903, 908240), (1032, 794710), (1204, 681180), (1290, 635768), (1505, 544944), (1680, 488179), (1720, 476826), (1806, 454120), (2064, 397355), (2408, 340590), (2580, 317884), (3010, 272472), (3440, 238413), (3612, 227060), (4515, 181648), (4816, 170295), (5160, 158942), (6020, 136236), (7224, 113530), (9030, 90824), (10320, 79471), (11353, 72240), (12040, 68118), (14448, 56765), (18060, 45412), (22706, 36120), (24080, 34059)]