217783920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907433}}^1$

素因数の和:907449

約数の個数: 40

約数和(自身を含む): 675130896

約数和(自身を除く): 457346976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907433, 1814866, 2722299, 3629732, 4537165, 5444598, 7259464, 9074330, 10889196, 13611495, 14518928, 18148660, 21778392, 27222990, 36297320, 43556784, 54445980, 72594640, 108891960, 217783920]

約数ペア:

[(1, 217783920), (2, 108891960), (3, 72594640), (4, 54445980), (5, 43556784), (6, 36297320), (8, 27222990), (10, 21778392), (12, 18148660), (15, 14518928), (16, 13611495), (20, 10889196), (24, 9074330), (30, 7259464), (40, 5444598), (48, 4537165), (60, 3629732), (80, 2722299), (120, 1814866), (240, 907433)]