4320720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 15407496

約数和(自身を除く): 11086776

約数列:

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

約数ペア:

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