151440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{631}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 470208

約数和(自身を除く): 318768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 631, 1262, 1893, 2524, 3155, 3786, 5048, 6310, 7572, 9465, 10096, 12620, 15144, 18930, 25240, 30288, 37860, 50480, 75720, 151440]

約数ペア:

[(1, 151440), (2, 75720), (3, 50480), (4, 37860), (5, 30288), (6, 25240), (8, 18930), (10, 15144), (12, 12620), (15, 10096), (16, 9465), (20, 7572), (24, 6310), (30, 5048), (40, 3786), (48, 3155), (60, 2524), (80, 1893), (120, 1262), (240, 631)]