181719440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 496343232

約数和(自身を除く): 314623792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 151, 196, 245, 280, 302, 307, 392, 490, 560, 604, 614, 755, 784, 980, 1057, 1208, 1228, 1510, 1535, 1960, 2114, 2149, 2416, 2456, 3020, 3070, 3920, 4228, 4298, 4912, 5285, 6040, 6140, 7399, 8456, 8596, 10570, 10745, 12080, 12280, 14798, 15043, 16912, 17192, 21140, 21490, 24560, 29596, 30086, 34384, 36995, 42280, 42980, 46357, 59192, 60172, 73990, 75215, 84560, 85960, 92714, 118384, 120344, 147980, 150430, 171920, 185428, 231785, 240688, 295960, 300860, 324499, 370856, 463570, 591920, 601720, 648998, 741712, 927140, 1203440, 1297996, 1622495, 1854280, 2271493, 2595992, 3244990, 3708560, 4542986, 5191984, 6489980, 9085972, 11357465, 12979960, 18171944, 22714930, 25959920, 36343888, 45429860, 90859720, 181719440]

約数ペア:

[(1, 181719440), (2, 90859720), (4, 45429860), (5, 36343888), (7, 25959920), (8, 22714930), (10, 18171944), (14, 12979960), (16, 11357465), (20, 9085972), (28, 6489980), (35, 5191984), (40, 4542986), (49, 3708560), (56, 3244990), (70, 2595992), (80, 2271493), (98, 1854280), (112, 1622495), (140, 1297996), (151, 1203440), (196, 927140), (245, 741712), (280, 648998), (302, 601720), (307, 591920), (392, 463570), (490, 370856), (560, 324499), (604, 300860), (614, 295960), (755, 240688), (784, 231785), (980, 185428), (1057, 171920), (1208, 150430), (1228, 147980), (1510, 120344), (1535, 118384), (1960, 92714), (2114, 85960), (2149, 84560), (2416, 75215), (2456, 73990), (3020, 60172), (3070, 59192), (3920, 46357), (4228, 42980), (4298, 42280), (4912, 36995), (5285, 34384), (6040, 30086), (6140, 29596), (7399, 24560), (8456, 21490), (8596, 21140), (10570, 17192), (10745, 16912), (12080, 15043), (12280, 14798)]