237840

素因数分解:

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

素因数の和:1007

約数の個数: 40

約数和(自身を含む): 738048

約数和(自身を除く): 500208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 991, 1982, 2973, 3964, 4955, 5946, 7928, 9910, 11892, 14865, 15856, 19820, 23784, 29730, 39640, 47568, 59460, 79280, 118920, 237840]

約数ペア:

[(1, 237840), (2, 118920), (3, 79280), (4, 59460), (5, 47568), (6, 39640), (8, 29730), (10, 23784), (12, 19820), (15, 15856), (16, 14865), (20, 11892), (24, 9910), (30, 7928), (40, 5946), (48, 4955), (60, 3964), (80, 2973), (120, 1982), (240, 991)]