156119720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 365644800

約数和(自身を除く): 209525080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 919, 1096, 1240, 1370, 1838, 2740, 3676, 4247, 4595, 5480, 7352, 8494, 9190, 16988, 18380, 21235, 28489, 33976, 36760, 42470, 56978, 84940, 113956, 125903, 142445, 169880, 227912, 251806, 284890, 503612, 569780, 629515, 1007224, 1139560, 1259030, 2518060, 3902993, 5036120, 7805986, 15611972, 19514965, 31223944, 39029930, 78059860, 156119720]

約数ペア:

[(1, 156119720), (2, 78059860), (4, 39029930), (5, 31223944), (8, 19514965), (10, 15611972), (20, 7805986), (31, 5036120), (40, 3902993), (62, 2518060), (124, 1259030), (137, 1139560), (155, 1007224), (248, 629515), (274, 569780), (310, 503612), (548, 284890), (620, 251806), (685, 227912), (919, 169880), (1096, 142445), (1240, 125903), (1370, 113956), (1838, 84940), (2740, 56978), (3676, 42470), (4247, 36760), (4595, 33976), (5480, 28489), (7352, 21235), (8494, 18380), (9190, 16988)]