78240120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1$

素因数の和:5517

約数の個数: 128

約数和(自身を含む): 284083200

約数和(自身を除く): 205843080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5479, 7140, 10958, 14280, 16437, 21916, 27395, 32874, 38353, 43832, 54790, 65748, 76706, 82185, 93143, 109580, 115059, 131496, 153412, 164370, 186286, 191765, 219160, 230118, 279429, 306824, 328740, 372572, 383530, 460236, 465715, 558858, 575295, 652001, 657480, 745144, 767060, 920472, 931430, 1117716, 1150590, 1304002, 1397145, 1534120, 1862860, 1956003, 2235432, 2301180, 2608004, 2794290, 3260005, 3725720, 3912006, 4602360, 5216008, 5588580, 6520010, 7824012, 9780015, 11177160, 13040020, 15648024, 19560030, 26080040, 39120060, 78240120]

約数ペア:

[(1, 78240120), (2, 39120060), (3, 26080040), (4, 19560030), (5, 15648024), (6, 13040020), (7, 11177160), (8, 9780015), (10, 7824012), (12, 6520010), (14, 5588580), (15, 5216008), (17, 4602360), (20, 3912006), (21, 3725720), (24, 3260005), (28, 2794290), (30, 2608004), (34, 2301180), (35, 2235432), (40, 1956003), (42, 1862860), (51, 1534120), (56, 1397145), (60, 1304002), (68, 1150590), (70, 1117716), (84, 931430), (85, 920472), (102, 767060), (105, 745144), (119, 657480), (120, 652001), (136, 575295), (140, 558858), (168, 465715), (170, 460236), (204, 383530), (210, 372572), (238, 328740), (255, 306824), (280, 279429), (340, 230118), (357, 219160), (408, 191765), (420, 186286), (476, 164370), (510, 153412), (595, 131496), (680, 115059), (714, 109580), (840, 93143), (952, 82185), (1020, 76706), (1190, 65748), (1428, 54790), (1785, 43832), (2040, 38353), (2380, 32874), (2856, 27395), (3570, 21916), (4760, 16437), (5479, 14280), (7140, 10958)]