205361360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4932

約数の個数: 80

約数和(自身を含む): 521966592

約数和(自身を除く): 316605232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 4871, 5270, 8432, 9742, 10540, 19484, 21080, 24355, 38968, 42160, 48710, 77936, 82807, 97420, 151001, 165614, 194840, 302002, 331228, 389680, 414035, 604004, 662456, 755005, 828070, 1208008, 1324912, 1510010, 1656140, 2416016, 2567017, 3020020, 3312280, 5134034, 6040040, 6624560, 10268068, 12080080, 12835085, 20536136, 25670170, 41072272, 51340340, 102680680, 205361360]

約数ペア:

[(1, 205361360), (2, 102680680), (4, 51340340), (5, 41072272), (8, 25670170), (10, 20536136), (16, 12835085), (17, 12080080), (20, 10268068), (31, 6624560), (34, 6040040), (40, 5134034), (62, 3312280), (68, 3020020), (80, 2567017), (85, 2416016), (124, 1656140), (136, 1510010), (155, 1324912), (170, 1208008), (248, 828070), (272, 755005), (310, 662456), (340, 604004), (496, 414035), (527, 389680), (620, 331228), (680, 302002), (1054, 194840), (1240, 165614), (1360, 151001), (2108, 97420), (2480, 82807), (2635, 77936), (4216, 48710), (4871, 42160), (5270, 38968), (8432, 24355), (9742, 21080), (10540, 19484)]