64873620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51487}}^1$

素因数の和:51509

約数の個数: 72

約数和(自身を含む): 224899584

約数和(自身を除く): 160025964

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, 140, 180, 210, 252, 315, 420, 630, 1260, 51487, 102974, 154461, 205948, 257435, 308922, 360409, 463383, 514870, 617844, 720818, 772305, 926766, 1029740, 1081227, 1441636, 1544610, 1802045, 1853532, 2162454, 2316915, 3089220, 3243681, 3604090, 4324908, 4633830, 5406135, 6487362, 7208180, 9267660, 10812270, 12974724, 16218405, 21624540, 32436810, 64873620]

約数ペア:

[(1, 64873620), (2, 32436810), (3, 21624540), (4, 16218405), (5, 12974724), (6, 10812270), (7, 9267660), (9, 7208180), (10, 6487362), (12, 5406135), (14, 4633830), (15, 4324908), (18, 3604090), (20, 3243681), (21, 3089220), (28, 2316915), (30, 2162454), (35, 1853532), (36, 1802045), (42, 1544610), (45, 1441636), (60, 1081227), (63, 1029740), (70, 926766), (84, 772305), (90, 720818), (105, 617844), (126, 514870), (140, 463383), (180, 360409), (210, 308922), (252, 257435), (315, 205948), (420, 154461), (630, 102974), (1260, 51487)]