15697938320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{130729}}^1$

素因数の和:130840

約数の個数: 80

約数和(自身を含む): 38905248000

約数和(自身を除く): 23207309680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 760, 790, 1264, 1501, 1520, 1580, 3002, 3160, 6004, 6320, 7505, 12008, 15010, 24016, 30020, 60040, 120080, 130729, 261458, 522916, 653645, 1045832, 1307290, 2091664, 2483851, 2614580, 4967702, 5229160, 9935404, 10327591, 10458320, 12419255, 19870808, 20655182, 24838510, 39741616, 41310364, 49677020, 51637955, 82620728, 99354040, 103275910, 165241456, 196224229, 198708080, 206551820, 392448458, 413103640, 784896916, 826207280, 981121145, 1569793832, 1962242290, 3139587664, 3924484580, 7848969160, 15697938320]

約数ペア:

[(1, 15697938320), (2, 7848969160), (4, 3924484580), (5, 3139587664), (8, 1962242290), (10, 1569793832), (16, 981121145), (19, 826207280), (20, 784896916), (38, 413103640), (40, 392448458), (76, 206551820), (79, 198708080), (80, 196224229), (95, 165241456), (152, 103275910), (158, 99354040), (190, 82620728), (304, 51637955), (316, 49677020), (380, 41310364), (395, 39741616), (632, 24838510), (760, 20655182), (790, 19870808), (1264, 12419255), (1501, 10458320), (1520, 10327591), (1580, 9935404), (3002, 5229160), (3160, 4967702), (6004, 2614580), (6320, 2483851), (7505, 2091664), (12008, 1307290), (15010, 1045832), (24016, 653645), (30020, 522916), (60040, 261458), (120080, 130729)]