77976640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{4973}}^1$

素因数の和:5004

約数の個数: 84

約数和(自身を含む): 216040716

約数和(自身を除く): 138064076

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4973, 7840, 9946, 15680, 19892, 24865, 34811, 39784, 49730, 69622, 79568, 99460, 139244, 159136, 174055, 198920, 243677, 278488, 318272, 348110, 397840, 487354, 556976, 696220, 795680, 974708, 1113952, 1218385, 1392440, 1591360, 1949416, 2227904, 2436770, 2784880, 3898832, 4873540, 5569760, 7797664, 9747080, 11139520, 15595328, 19494160, 38988320, 77976640]

約数ペア:

[(1, 77976640), (2, 38988320), (4, 19494160), (5, 15595328), (7, 11139520), (8, 9747080), (10, 7797664), (14, 5569760), (16, 4873540), (20, 3898832), (28, 2784880), (32, 2436770), (35, 2227904), (40, 1949416), (49, 1591360), (56, 1392440), (64, 1218385), (70, 1113952), (80, 974708), (98, 795680), (112, 696220), (140, 556976), (160, 487354), (196, 397840), (224, 348110), (245, 318272), (280, 278488), (320, 243677), (392, 198920), (448, 174055), (490, 159136), (560, 139244), (784, 99460), (980, 79568), (1120, 69622), (1568, 49730), (1960, 39784), (2240, 34811), (3136, 24865), (3920, 19892), (4973, 15680), (7840, 9946)]