31440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 98208

約数和(自身を除く): 66768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 7860, 10480, 15720, 31440]

約数ペア:

[(1, 31440), (2, 15720), (3, 10480), (4, 7860), (5, 6288), (6, 5240), (8, 3930), (10, 3144), (12, 2620), (15, 2096), (16, 1965), (20, 1572), (24, 1310), (30, 1048), (40, 786), (48, 655), (60, 524), (80, 393), (120, 262), (131, 240)]