64766240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:791

約数の個数: 144

約数和(自身を含む): 194431104

約数和(自身を除く): 129664864

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 751, 770, 784, 880, 980, 1078, 1120, 1232, 1502, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 3004, 3080, 3755, 3920, 4312, 5257, 5390, 6008, 6160, 7510, 7840, 8261, 8624, 10514, 10780, 12016, 12320, 15020, 16522, 17248, 21028, 21560, 24032, 26285, 30040, 33044, 36799, 41305, 42056, 43120, 52570, 57827, 60080, 66088, 73598, 82610, 84112, 86240, 105140, 115654, 120160, 132176, 147196, 165220, 168224, 183995, 210280, 231308, 264352, 289135, 294392, 330440, 367990, 404789, 420560, 462616, 578270, 588784, 660880, 735980, 809578, 841120, 925232, 1156540, 1177568, 1321760, 1471960, 1619156, 1850464, 2023945, 2313080, 2943920, 3238312, 4047890, 4626160, 5887840, 6476624, 8095780, 9252320, 12953248, 16191560, 32383120, 64766240]

約数ペア:

[(1, 64766240), (2, 32383120), (4, 16191560), (5, 12953248), (7, 9252320), (8, 8095780), (10, 6476624), (11, 5887840), (14, 4626160), (16, 4047890), (20, 3238312), (22, 2943920), (28, 2313080), (32, 2023945), (35, 1850464), (40, 1619156), (44, 1471960), (49, 1321760), (55, 1177568), (56, 1156540), (70, 925232), (77, 841120), (80, 809578), (88, 735980), (98, 660880), (110, 588784), (112, 578270), (140, 462616), (154, 420560), (160, 404789), (176, 367990), (196, 330440), (220, 294392), (224, 289135), (245, 264352), (280, 231308), (308, 210280), (352, 183995), (385, 168224), (392, 165220), (440, 147196), (490, 132176), (539, 120160), (560, 115654), (616, 105140), (751, 86240), (770, 84112), (784, 82610), (880, 73598), (980, 66088), (1078, 60080), (1120, 57827), (1232, 52570), (1502, 43120), (1540, 42056), (1568, 41305), (1760, 36799), (1960, 33044), (2156, 30040), (2464, 26285), (2695, 24032), (3004, 21560), (3080, 21028), (3755, 17248), (3920, 16522), (4312, 15020), (5257, 12320), (5390, 12016), (6008, 10780), (6160, 10514), (7510, 8624), (7840, 8261)]