157212240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{991}}^1$

素因数の和:1668

約数の個数: 80

約数和(自身を含む): 488587776

約数和(自身を除く): 331375536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 991, 1322, 1982, 1983, 2644, 2973, 3305, 3964, 3966, 4955, 5288, 5946, 6610, 7928, 7932, 9910, 9915, 10576, 11892, 13220, 14865, 15856, 15864, 19820, 19830, 23784, 26440, 29730, 31728, 39640, 39660, 47568, 52880, 59460, 79280, 79320, 118920, 158640, 237840, 655051, 1310102, 1965153, 2620204, 3275255, 3930306, 5240408, 6550510, 7860612, 9825765, 10480816, 13101020, 15721224, 19651530, 26202040, 31442448, 39303060, 52404080, 78606120, 157212240]

約数ペア:

[(1, 157212240), (2, 78606120), (3, 52404080), (4, 39303060), (5, 31442448), (6, 26202040), (8, 19651530), (10, 15721224), (12, 13101020), (15, 10480816), (16, 9825765), (20, 7860612), (24, 6550510), (30, 5240408), (40, 3930306), (48, 3275255), (60, 2620204), (80, 1965153), (120, 1310102), (240, 655051), (661, 237840), (991, 158640), (1322, 118920), (1982, 79320), (1983, 79280), (2644, 59460), (2973, 52880), (3305, 47568), (3964, 39660), (3966, 39640), (4955, 31728), (5288, 29730), (5946, 26440), (6610, 23784), (7928, 19830), (7932, 19820), (9910, 15864), (9915, 15856), (10576, 14865), (11892, 13220)]