81561120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169919}}^1$

素因数の和:169937

約数の個数: 48

約数和(自身を含む): 256919040

約数和(自身を除く): 175357920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169919, 339838, 509757, 679676, 849595, 1019514, 1359352, 1699190, 2039028, 2548785, 2718704, 3398380, 4078056, 5097570, 5437408, 6796760, 8156112, 10195140, 13593520, 16312224, 20390280, 27187040, 40780560, 81561120]

約数ペア:

[(1, 81561120), (2, 40780560), (3, 27187040), (4, 20390280), (5, 16312224), (6, 13593520), (8, 10195140), (10, 8156112), (12, 6796760), (15, 5437408), (16, 5097570), (20, 4078056), (24, 3398380), (30, 2718704), (32, 2548785), (40, 2039028), (48, 1699190), (60, 1359352), (80, 1019514), (96, 849595), (120, 679676), (160, 509757), (240, 339838), (480, 169919)]