81155700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90173}}^1$

素因数の和:90193

約数の個数: 54

約数和(自身を含む): 254380854

約数和(自身を除く): 173225154

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 90173, 180346, 270519, 360692, 450865, 541038, 811557, 901730, 1082076, 1352595, 1623114, 1803460, 2254325, 2705190, 3246228, 4057785, 4508650, 5410380, 6762975, 8115570, 9017300, 13525950, 16231140, 20288925, 27051900, 40577850, 81155700]

約数ペア:

[(1, 81155700), (2, 40577850), (3, 27051900), (4, 20288925), (5, 16231140), (6, 13525950), (9, 9017300), (10, 8115570), (12, 6762975), (15, 5410380), (18, 4508650), (20, 4057785), (25, 3246228), (30, 2705190), (36, 2254325), (45, 1803460), (50, 1623114), (60, 1352595), (75, 1082076), (90, 901730), (100, 811557), (150, 541038), (180, 450865), (225, 360692), (300, 270519), (450, 180346), (900, 90173)]