77428960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 210651840

約数和(自身を除く): 133222880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 257, 269, 280, 514, 538, 560, 1028, 1076, 1120, 1285, 1345, 1799, 1883, 2056, 2152, 2570, 2690, 3598, 3766, 4112, 4304, 5140, 5380, 7196, 7532, 8224, 8608, 8995, 9415, 10280, 10760, 14392, 15064, 17990, 18830, 20560, 21520, 28784, 30128, 35980, 37660, 41120, 43040, 57568, 60256, 69133, 71960, 75320, 138266, 143920, 150640, 276532, 287840, 301280, 345665, 483931, 553064, 691330, 967862, 1106128, 1382660, 1935724, 2212256, 2419655, 2765320, 3871448, 4839310, 5530640, 7742896, 9678620, 11061280, 15485792, 19357240, 38714480, 77428960]

約数ペア:

[(1, 77428960), (2, 38714480), (4, 19357240), (5, 15485792), (7, 11061280), (8, 9678620), (10, 7742896), (14, 5530640), (16, 4839310), (20, 3871448), (28, 2765320), (32, 2419655), (35, 2212256), (40, 1935724), (56, 1382660), (70, 1106128), (80, 967862), (112, 691330), (140, 553064), (160, 483931), (224, 345665), (257, 301280), (269, 287840), (280, 276532), (514, 150640), (538, 143920), (560, 138266), (1028, 75320), (1076, 71960), (1120, 69133), (1285, 60256), (1345, 57568), (1799, 43040), (1883, 41120), (2056, 37660), (2152, 35980), (2570, 30128), (2690, 28784), (3598, 21520), (3766, 20560), (4112, 18830), (4304, 17990), (5140, 15064), (5380, 14392), (7196, 10760), (7532, 10280), (8224, 9415), (8608, 8995)]