235845520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1664

約数の個数: 80

約数和(自身を含む): 575677440

約数和(自身を除く): 339831920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1559, 1891, 2440, 2480, 3118, 3782, 4880, 6236, 7564, 7795, 9455, 12472, 15128, 15590, 18910, 24944, 30256, 31180, 37820, 48329, 62360, 75640, 95099, 96658, 124720, 151280, 190198, 193316, 241645, 380396, 386632, 475495, 483290, 760792, 773264, 950990, 966580, 1521584, 1901980, 1933160, 2948069, 3803960, 3866320, 5896138, 7607920, 11792276, 14740345, 23584552, 29480690, 47169104, 58961380, 117922760, 235845520]

約数ペア:

[(1, 235845520), (2, 117922760), (4, 58961380), (5, 47169104), (8, 29480690), (10, 23584552), (16, 14740345), (20, 11792276), (31, 7607920), (40, 5896138), (61, 3866320), (62, 3803960), (80, 2948069), (122, 1933160), (124, 1901980), (155, 1521584), (244, 966580), (248, 950990), (305, 773264), (310, 760792), (488, 483290), (496, 475495), (610, 386632), (620, 380396), (976, 241645), (1220, 193316), (1240, 190198), (1559, 151280), (1891, 124720), (2440, 96658), (2480, 95099), (3118, 75640), (3782, 62360), (4880, 48329), (6236, 37820), (7564, 31180), (7795, 30256), (9455, 24944), (12472, 18910), (15128, 15590)]