51980220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16987}}^1$

素因数の和:17019

約数の個数: 72

約数和(自身を含む): 166958064

約数和(自身を除く): 114977844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 16987, 33974, 50961, 67948, 84935, 101922, 152883, 169870, 203844, 254805, 288779, 305766, 339740, 509610, 577558, 611532, 764415, 866337, 1019220, 1155116, 1443895, 1528830, 1732674, 2599011, 2887790, 3057660, 3465348, 4331685, 5198022, 5775580, 8663370, 10396044, 12995055, 17326740, 25990110, 51980220]

約数ペア:

[(1, 51980220), (2, 25990110), (3, 17326740), (4, 12995055), (5, 10396044), (6, 8663370), (9, 5775580), (10, 5198022), (12, 4331685), (15, 3465348), (17, 3057660), (18, 2887790), (20, 2599011), (30, 1732674), (34, 1528830), (36, 1443895), (45, 1155116), (51, 1019220), (60, 866337), (68, 764415), (85, 611532), (90, 577558), (102, 509610), (153, 339740), (170, 305766), (180, 288779), (204, 254805), (255, 203844), (306, 169870), (340, 152883), (510, 101922), (612, 84935), (765, 67948), (1020, 50961), (1530, 33974), (3060, 16987)]