71848980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 251596800

約数和(自身を除く): 179747820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 449, 508, 630, 635, 762, 889, 898, 1143, 1260, 1270, 1347, 1524, 1778, 1796, 1905, 2245, 2286, 2540, 2667, 2694, 3143, 3556, 3810, 4041, 4445, 4490, 4572, 5334, 5388, 5715, 6286, 6735, 7620, 8001, 8082, 8890, 8980, 9429, 10668, 11430, 12572, 13335, 13470, 15715, 16002, 16164, 17780, 18858, 20205, 22860, 26670, 26940, 28287, 31430, 32004, 37716, 40005, 40410, 47145, 53340, 56574, 57023, 62860, 80010, 80820, 94290, 113148, 114046, 141435, 160020, 171069, 188580, 228092, 282870, 285115, 342138, 399161, 513207, 565740, 570230, 684276, 798322, 855345, 1026414, 1140460, 1197483, 1596644, 1710690, 1995805, 2052828, 2394966, 2566035, 3421380, 3592449, 3991610, 4789932, 5132070, 5987415, 7184898, 7983220, 10264140, 11974830, 14369796, 17962245, 23949660, 35924490, 71848980]

約数ペア:

[(1, 71848980), (2, 35924490), (3, 23949660), (4, 17962245), (5, 14369796), (6, 11974830), (7, 10264140), (9, 7983220), (10, 7184898), (12, 5987415), (14, 5132070), (15, 4789932), (18, 3991610), (20, 3592449), (21, 3421380), (28, 2566035), (30, 2394966), (35, 2052828), (36, 1995805), (42, 1710690), (45, 1596644), (60, 1197483), (63, 1140460), (70, 1026414), (84, 855345), (90, 798322), (105, 684276), (126, 570230), (127, 565740), (140, 513207), (180, 399161), (210, 342138), (252, 285115), (254, 282870), (315, 228092), (381, 188580), (420, 171069), (449, 160020), (508, 141435), (630, 114046), (635, 113148), (762, 94290), (889, 80820), (898, 80010), (1143, 62860), (1260, 57023), (1270, 56574), (1347, 53340), (1524, 47145), (1778, 40410), (1796, 40005), (1905, 37716), (2245, 32004), (2286, 31430), (2540, 28287), (2667, 26940), (2694, 26670), (3143, 22860), (3556, 20205), (3810, 18858), (4041, 17780), (4445, 16164), (4490, 16002), (4572, 15715), (5334, 13470), (5388, 13335), (5715, 12572), (6286, 11430), (6735, 10668), (7620, 9429), (8001, 8980), (8082, 8890)]