77380960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15601}}^1$

素因数の和:15647

約数の個数: 48

約数和(自身を含む): 188721792

約数和(自身を除く): 111340832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15601, 31202, 62404, 78005, 124808, 156010, 249616, 312020, 483631, 499232, 624040, 967262, 1248080, 1934524, 2418155, 2496160, 3869048, 4836310, 7738096, 9672620, 15476192, 19345240, 38690480, 77380960]

約数ペア:

[(1, 77380960), (2, 38690480), (4, 19345240), (5, 15476192), (8, 9672620), (10, 7738096), (16, 4836310), (20, 3869048), (31, 2496160), (32, 2418155), (40, 1934524), (62, 1248080), (80, 967262), (124, 624040), (155, 499232), (160, 483631), (248, 312020), (310, 249616), (496, 156010), (620, 124808), (992, 78005), (1240, 62404), (2480, 31202), (4960, 15601)]