669508440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 2043740160

約数和(自身を除く): 1374231720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 197, 223, 254, 381, 394, 446, 508, 591, 635, 669, 762, 788, 892, 985, 1016, 1115, 1182, 1270, 1338, 1524, 1576, 1784, 1905, 1970, 2230, 2364, 2540, 2676, 2955, 3048, 3345, 3810, 3940, 4460, 4728, 5080, 5352, 5910, 6690, 7620, 7880, 8920, 11820, 13380, 15240, 23640, 25019, 26760, 28321, 43931, 50038, 56642, 75057, 84963, 87862, 100076, 113284, 125095, 131793, 141605, 150114, 169926, 175724, 200152, 219655, 226568, 250190, 263586, 283210, 300228, 339852, 351448, 375285, 424815, 439310, 500380, 527172, 566420, 600456, 658965, 679704, 750570, 849630, 878620, 1000760, 1054344, 1132840, 1317930, 1501140, 1699260, 1757240, 2635860, 3002280, 3398520, 5271720, 5579237, 11158474, 16737711, 22316948, 27896185, 33475422, 44633896, 55792370, 66950844, 83688555, 111584740, 133901688, 167377110, 223169480, 334754220, 669508440]

約数ペア:

[(1, 669508440), (2, 334754220), (3, 223169480), (4, 167377110), (5, 133901688), (6, 111584740), (8, 83688555), (10, 66950844), (12, 55792370), (15, 44633896), (20, 33475422), (24, 27896185), (30, 22316948), (40, 16737711), (60, 11158474), (120, 5579237), (127, 5271720), (197, 3398520), (223, 3002280), (254, 2635860), (381, 1757240), (394, 1699260), (446, 1501140), (508, 1317930), (591, 1132840), (635, 1054344), (669, 1000760), (762, 878620), (788, 849630), (892, 750570), (985, 679704), (1016, 658965), (1115, 600456), (1182, 566420), (1270, 527172), (1338, 500380), (1524, 439310), (1576, 424815), (1784, 375285), (1905, 351448), (1970, 339852), (2230, 300228), (2364, 283210), (2540, 263586), (2676, 250190), (2955, 226568), (3048, 219655), (3345, 200152), (3810, 175724), (3940, 169926), (4460, 150114), (4728, 141605), (5080, 131793), (5352, 125095), (5910, 113284), (6690, 100076), (7620, 87862), (7880, 84963), (8920, 75057), (11820, 56642), (13380, 50038), (15240, 43931), (23640, 28321), (25019, 26760)]