8641440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 31312008

約数和(自身を除く): 22670568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 353, 360, 408, 480, 510, 544, 612, 680, 706, 720, 765, 816, 1020, 1059, 1224, 1360, 1412, 1440, 1530, 1632, 1765, 2040, 2118, 2448, 2720, 2824, 3060, 3177, 3530, 4080, 4236, 4896, 5295, 5648, 6001, 6120, 6354, 7060, 8160, 8472, 10590, 11296, 12002, 12240, 12708, 14120, 15885, 16944, 18003, 21180, 24004, 24480, 25416, 28240, 30005, 31770, 33888, 36006, 42360, 48008, 50832, 54009, 56480, 60010, 63540, 72012, 84720, 90015, 96016, 101664, 108018, 120020, 127080, 144024, 169440, 180030, 192032, 216036, 240040, 254160, 270045, 288048, 360060, 432072, 480080, 508320, 540090, 576096, 720120, 864144, 960160, 1080180, 1440240, 1728288, 2160360, 2880480, 4320720, 8641440]

約数ペア:

[(1, 8641440), (2, 4320720), (3, 2880480), (4, 2160360), (5, 1728288), (6, 1440240), (8, 1080180), (9, 960160), (10, 864144), (12, 720120), (15, 576096), (16, 540090), (17, 508320), (18, 480080), (20, 432072), (24, 360060), (30, 288048), (32, 270045), (34, 254160), (36, 240040), (40, 216036), (45, 192032), (48, 180030), (51, 169440), (60, 144024), (68, 127080), (72, 120020), (80, 108018), (85, 101664), (90, 96016), (96, 90015), (102, 84720), (120, 72012), (136, 63540), (144, 60010), (153, 56480), (160, 54009), (170, 50832), (180, 48008), (204, 42360), (240, 36006), (255, 33888), (272, 31770), (288, 30005), (306, 28240), (340, 25416), (353, 24480), (360, 24004), (408, 21180), (480, 18003), (510, 16944), (544, 15885), (612, 14120), (680, 12708), (706, 12240), (720, 12002), (765, 11296), (816, 10590), (1020, 8472), (1059, 8160), (1224, 7060), (1360, 6354), (1412, 6120), (1440, 6001), (1530, 5648), (1632, 5295), (1765, 4896), (2040, 4236), (2118, 4080), (2448, 3530), (2720, 3177), (2824, 3060)]