77608720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138587}}^1$

素因数の和:138607

約数の個数: 40

約数和(自身を含む): 206218944

約数和(自身を除く): 128610224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138587, 277174, 554348, 692935, 970109, 1108696, 1385870, 1940218, 2217392, 2771740, 3880436, 4850545, 5543480, 7760872, 9701090, 11086960, 15521744, 19402180, 38804360, 77608720]

約数ペア:

[(1, 77608720), (2, 38804360), (4, 19402180), (5, 15521744), (7, 11086960), (8, 9701090), (10, 7760872), (14, 5543480), (16, 4850545), (20, 3880436), (28, 2771740), (35, 2217392), (40, 1940218), (56, 1385870), (70, 1108696), (80, 970109), (112, 692935), (140, 554348), (280, 277174), (560, 138587)]