13261360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 38167200

約数和(自身を除く): 24905840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 199, 238, 245, 272, 280, 340, 392, 398, 476, 490, 560, 595, 680, 784, 796, 833, 952, 980, 995, 1190, 1360, 1393, 1592, 1666, 1904, 1960, 1990, 2380, 2786, 3184, 3332, 3383, 3920, 3980, 4165, 4760, 5572, 6664, 6766, 6965, 7960, 8330, 9520, 9751, 11144, 13328, 13532, 13930, 15920, 16660, 16915, 19502, 22288, 23681, 27064, 27860, 33320, 33830, 39004, 47362, 48755, 54128, 55720, 66640, 67660, 78008, 94724, 97510, 111440, 118405, 135320, 156016, 165767, 189448, 195020, 236810, 270640, 331534, 378896, 390040, 473620, 663068, 780080, 828835, 947240, 1326136, 1657670, 1894480, 2652272, 3315340, 6630680, 13261360]

約数ペア:

[(1, 13261360), (2, 6630680), (4, 3315340), (5, 2652272), (7, 1894480), (8, 1657670), (10, 1326136), (14, 947240), (16, 828835), (17, 780080), (20, 663068), (28, 473620), (34, 390040), (35, 378896), (40, 331534), (49, 270640), (56, 236810), (68, 195020), (70, 189448), (80, 165767), (85, 156016), (98, 135320), (112, 118405), (119, 111440), (136, 97510), (140, 94724), (170, 78008), (196, 67660), (199, 66640), (238, 55720), (245, 54128), (272, 48755), (280, 47362), (340, 39004), (392, 33830), (398, 33320), (476, 27860), (490, 27064), (560, 23681), (595, 22288), (680, 19502), (784, 16915), (796, 16660), (833, 15920), (952, 13930), (980, 13532), (995, 13328), (1190, 11144), (1360, 9751), (1393, 9520), (1592, 8330), (1666, 7960), (1904, 6965), (1960, 6766), (1990, 6664), (2380, 5572), (2786, 4760), (3184, 4165), (3332, 3980), (3383, 3920)]