7727720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 23466240

約数和(自身を除く): 15738520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 193, 220, 260, 280, 286, 308, 364, 385, 386, 440, 455, 520, 572, 616, 715, 728, 770, 772, 910, 965, 1001, 1144, 1351, 1430, 1540, 1544, 1820, 1930, 2002, 2123, 2509, 2702, 2860, 3080, 3640, 3860, 4004, 4246, 5005, 5018, 5404, 5720, 6755, 7720, 8008, 8492, 10010, 10036, 10615, 10808, 12545, 13510, 14861, 16984, 17563, 20020, 20072, 21230, 25090, 27020, 27599, 29722, 35126, 40040, 42460, 50180, 54040, 55198, 59444, 70252, 74305, 84920, 87815, 100360, 110396, 118888, 137995, 140504, 148610, 175630, 193193, 220792, 275990, 297220, 351260, 386386, 551980, 594440, 702520, 772772, 965965, 1103960, 1545544, 1931930, 3863860, 7727720]

約数ペア:

[(1, 7727720), (2, 3863860), (4, 1931930), (5, 1545544), (7, 1103960), (8, 965965), (10, 772772), (11, 702520), (13, 594440), (14, 551980), (20, 386386), (22, 351260), (26, 297220), (28, 275990), (35, 220792), (40, 193193), (44, 175630), (52, 148610), (55, 140504), (56, 137995), (65, 118888), (70, 110396), (77, 100360), (88, 87815), (91, 84920), (104, 74305), (110, 70252), (130, 59444), (140, 55198), (143, 54040), (154, 50180), (182, 42460), (193, 40040), (220, 35126), (260, 29722), (280, 27599), (286, 27020), (308, 25090), (364, 21230), (385, 20072), (386, 20020), (440, 17563), (455, 16984), (520, 14861), (572, 13510), (616, 12545), (715, 10808), (728, 10615), (770, 10036), (772, 10010), (910, 8492), (965, 8008), (1001, 7720), (1144, 6755), (1351, 5720), (1430, 5404), (1540, 5018), (1544, 5005), (1820, 4246), (1930, 4004), (2002, 3860), (2123, 3640), (2509, 3080), (2702, 2860)]