131457580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 306432000

約数和(自身を除く): 174974420

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 79, 95, 116, 145, 151, 158, 190, 290, 302, 316, 380, 395, 551, 580, 604, 755, 790, 1102, 1501, 1510, 1580, 2204, 2291, 2755, 2869, 3002, 3020, 4379, 4582, 5510, 5738, 6004, 7505, 8758, 9164, 11020, 11455, 11476, 11929, 14345, 15010, 17516, 21895, 22910, 23858, 28690, 30020, 43529, 43790, 45820, 47716, 57380, 59645, 83201, 87058, 87580, 119290, 166402, 174116, 217645, 226651, 238580, 332804, 345941, 416005, 435290, 453302, 691882, 832010, 870580, 906604, 1133255, 1383764, 1664020, 1729705, 2266510, 3459410, 4533020, 6572879, 6918820, 13145758, 26291516, 32864395, 65728790, 131457580]

約数ペア:

[(1, 131457580), (2, 65728790), (4, 32864395), (5, 26291516), (10, 13145758), (19, 6918820), (20, 6572879), (29, 4533020), (38, 3459410), (58, 2266510), (76, 1729705), (79, 1664020), (95, 1383764), (116, 1133255), (145, 906604), (151, 870580), (158, 832010), (190, 691882), (290, 453302), (302, 435290), (316, 416005), (380, 345941), (395, 332804), (551, 238580), (580, 226651), (604, 217645), (755, 174116), (790, 166402), (1102, 119290), (1501, 87580), (1510, 87058), (1580, 83201), (2204, 59645), (2291, 57380), (2755, 47716), (2869, 45820), (3002, 43790), (3020, 43529), (4379, 30020), (4582, 28690), (5510, 23858), (5738, 22910), (6004, 21895), (7505, 17516), (8758, 15010), (9164, 14345), (11020, 11929), (11455, 11476)]