81225720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75209}}^1$

素因数の和:75229

約数の個数: 64

約数和(自身を含む): 270756000

約数和(自身を除く): 189530280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75209, 150418, 225627, 300836, 376045, 451254, 601672, 676881, 752090, 902508, 1128135, 1353762, 1504180, 1805016, 2030643, 2256270, 2707524, 3008360, 3384405, 4061286, 4512540, 5415048, 6768810, 8122572, 9025080, 10153215, 13537620, 16245144, 20306430, 27075240, 40612860, 81225720]

約数ペア:

[(1, 81225720), (2, 40612860), (3, 27075240), (4, 20306430), (5, 16245144), (6, 13537620), (8, 10153215), (9, 9025080), (10, 8122572), (12, 6768810), (15, 5415048), (18, 4512540), (20, 4061286), (24, 3384405), (27, 3008360), (30, 2707524), (36, 2256270), (40, 2030643), (45, 1805016), (54, 1504180), (60, 1353762), (72, 1128135), (90, 902508), (108, 752090), (120, 676881), (135, 601672), (180, 451254), (216, 376045), (270, 300836), (360, 225627), (540, 150418), (1080, 75209)]