158004560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{997}}^1$

素因数の和:1300

約数の個数: 80

約数和(自身を含む): 421746816

約数和(自身を除く): 263742256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 560, 566, 997, 1132, 1415, 1981, 1994, 2264, 2830, 3962, 3988, 4528, 4985, 5660, 6979, 7924, 7976, 9905, 9970, 11320, 13958, 15848, 15952, 19810, 19940, 22640, 27916, 31696, 34895, 39620, 39880, 55832, 69790, 79240, 79760, 111664, 139580, 158480, 279160, 282151, 558320, 564302, 1128604, 1410755, 1975057, 2257208, 2821510, 3950114, 4514416, 5643020, 7900228, 9875285, 11286040, 15800456, 19750570, 22572080, 31600912, 39501140, 79002280, 158004560]

約数ペア:

[(1, 158004560), (2, 79002280), (4, 39501140), (5, 31600912), (7, 22572080), (8, 19750570), (10, 15800456), (14, 11286040), (16, 9875285), (20, 7900228), (28, 5643020), (35, 4514416), (40, 3950114), (56, 2821510), (70, 2257208), (80, 1975057), (112, 1410755), (140, 1128604), (280, 564302), (283, 558320), (560, 282151), (566, 279160), (997, 158480), (1132, 139580), (1415, 111664), (1981, 79760), (1994, 79240), (2264, 69790), (2830, 55832), (3962, 39880), (3988, 39620), (4528, 34895), (4985, 31696), (5660, 27916), (6979, 22640), (7924, 19940), (7976, 19810), (9905, 15952), (9970, 15848), (11320, 13958)]