290726520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20359}}^1$

素因数の和:20397

約数の個数: 128

約数和(自身を含む): 1055462400

約数和(自身を除く): 764735880

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, 7140, 14280, 20359, 40718, 61077, 81436, 101795, 122154, 142513, 162872, 203590, 244308, 285026, 305385, 346103, 407180, 427539, 488616, 570052, 610770, 692206, 712565, 814360, 855078, 1038309, 1140104, 1221540, 1384412, 1425130, 1710156, 1730515, 2076618, 2137695, 2422721, 2443080, 2768824, 2850260, 3420312, 3461030, 4153236, 4275390, 4845442, 5191545, 5700520, 6922060, 7268163, 8306472, 8550780, 9690884, 10383090, 12113605, 13844120, 14536326, 17101560, 19381768, 20766180, 24227210, 29072652, 36340815, 41532360, 48454420, 58145304, 72681630, 96908840, 145363260, 290726520]

約数ペア:

[(1, 290726520), (2, 145363260), (3, 96908840), (4, 72681630), (5, 58145304), (6, 48454420), (7, 41532360), (8, 36340815), (10, 29072652), (12, 24227210), (14, 20766180), (15, 19381768), (17, 17101560), (20, 14536326), (21, 13844120), (24, 12113605), (28, 10383090), (30, 9690884), (34, 8550780), (35, 8306472), (40, 7268163), (42, 6922060), (51, 5700520), (56, 5191545), (60, 4845442), (68, 4275390), (70, 4153236), (84, 3461030), (85, 3420312), (102, 2850260), (105, 2768824), (119, 2443080), (120, 2422721), (136, 2137695), (140, 2076618), (168, 1730515), (170, 1710156), (204, 1425130), (210, 1384412), (238, 1221540), (255, 1140104), (280, 1038309), (340, 855078), (357, 814360), (408, 712565), (420, 692206), (476, 610770), (510, 570052), (595, 488616), (680, 427539), (714, 407180), (840, 346103), (952, 305385), (1020, 285026), (1190, 244308), (1428, 203590), (1785, 162872), (2040, 142513), (2380, 122154), (2856, 101795), (3570, 81436), (4760, 61077), (7140, 40718), (14280, 20359)]