155915120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62869}}^1$

素因数の和:62913

約数の個数: 40

約数和(自身を含む): 374202240

約数和(自身を除く): 218287120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 62869, 125738, 251476, 314345, 502952, 628690, 1005904, 1257380, 1948939, 2514760, 3897878, 5029520, 7795756, 9744695, 15591512, 19489390, 31183024, 38978780, 77957560, 155915120]

約数ペア:

[(1, 155915120), (2, 77957560), (4, 38978780), (5, 31183024), (8, 19489390), (10, 15591512), (16, 9744695), (20, 7795756), (31, 5029520), (40, 3897878), (62, 2514760), (80, 1948939), (124, 1257380), (155, 1005904), (248, 628690), (310, 502952), (496, 314345), (620, 251476), (1240, 125738), (2480, 62869)]