74378080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 209427120

約数和(自身を除く): 135049040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 160, 179, 196, 212, 224, 245, 265, 280, 358, 371, 392, 424, 490, 530, 560, 716, 742, 784, 848, 895, 980, 1060, 1120, 1253, 1432, 1484, 1568, 1696, 1790, 1855, 1960, 2120, 2506, 2597, 2864, 2968, 3580, 3710, 3920, 4240, 5012, 5194, 5728, 5936, 6265, 7160, 7420, 7840, 8480, 8771, 9487, 10024, 10388, 11872, 12530, 12985, 14320, 14840, 17542, 18974, 20048, 20776, 25060, 25970, 28640, 29680, 35084, 37948, 40096, 41552, 43855, 47435, 50120, 51940, 59360, 66409, 70168, 75896, 83104, 87710, 94870, 100240, 103880, 132818, 140336, 151792, 175420, 189740, 200480, 207760, 265636, 280672, 303584, 332045, 350840, 379480, 415520, 464863, 531272, 664090, 701680, 758960, 929726, 1062544, 1328180, 1403360, 1517920, 1859452, 2125088, 2324315, 2656360, 3718904, 4648630, 5312720, 7437808, 9297260, 10625440, 14875616, 18594520, 37189040, 74378080]

約数ペア:

[(1, 74378080), (2, 37189040), (4, 18594520), (5, 14875616), (7, 10625440), (8, 9297260), (10, 7437808), (14, 5312720), (16, 4648630), (20, 3718904), (28, 2656360), (32, 2324315), (35, 2125088), (40, 1859452), (49, 1517920), (53, 1403360), (56, 1328180), (70, 1062544), (80, 929726), (98, 758960), (106, 701680), (112, 664090), (140, 531272), (160, 464863), (179, 415520), (196, 379480), (212, 350840), (224, 332045), (245, 303584), (265, 280672), (280, 265636), (358, 207760), (371, 200480), (392, 189740), (424, 175420), (490, 151792), (530, 140336), (560, 132818), (716, 103880), (742, 100240), (784, 94870), (848, 87710), (895, 83104), (980, 75896), (1060, 70168), (1120, 66409), (1253, 59360), (1432, 51940), (1484, 50120), (1568, 47435), (1696, 43855), (1790, 41552), (1855, 40096), (1960, 37948), (2120, 35084), (2506, 29680), (2597, 28640), (2864, 25970), (2968, 25060), (3580, 20776), (3710, 20048), (3920, 18974), (4240, 17542), (5012, 14840), (5194, 14320), (5728, 12985), (5936, 12530), (6265, 11872), (7160, 10388), (7420, 10024), (7840, 9487), (8480, 8771)]