213823920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{890933}}^1$

素因数の和:890949

約数の個数: 40

約数和(自身を含む): 662854896

約数和(自身を除く): 449030976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 890933, 1781866, 2672799, 3563732, 4454665, 5345598, 7127464, 8909330, 10691196, 13363995, 14254928, 17818660, 21382392, 26727990, 35637320, 42764784, 53455980, 71274640, 106911960, 213823920]

約数ペア:

[(1, 213823920), (2, 106911960), (3, 71274640), (4, 53455980), (5, 42764784), (6, 35637320), (8, 26727990), (10, 21382392), (12, 17818660), (15, 14254928), (16, 13363995), (20, 10691196), (24, 8909330), (30, 7127464), (40, 5345598), (48, 4454665), (60, 3563732), (80, 2672799), (120, 1781866), (240, 890933)]