215716560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{898819}}^1$

素因数の和:898835

約数の個数: 40

約数和(自身を含む): 668722080

約数和(自身を除く): 453005520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 898819, 1797638, 2696457, 3595276, 4494095, 5392914, 7190552, 8988190, 10785828, 13482285, 14381104, 17976380, 21571656, 26964570, 35952760, 43143312, 53929140, 71905520, 107858280, 215716560]

約数ペア:

[(1, 215716560), (2, 107858280), (3, 71905520), (4, 53929140), (5, 43143312), (6, 35952760), (8, 26964570), (10, 21571656), (12, 17976380), (15, 14381104), (16, 13482285), (20, 10785828), (24, 8988190), (30, 7190552), (40, 5392914), (48, 4494095), (60, 3595276), (80, 2696457), (120, 1797638), (240, 898819)]