128785500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{28619}}^1$

素因数の和:28644

約数の個数: 72

約数和(自身を含む): 406289520

約数和(自身を除く): 277504020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 28619, 57238, 85857, 114476, 143095, 171714, 257571, 286190, 343428, 429285, 515142, 572380, 715475, 858570, 1030284, 1287855, 1430950, 1717140, 2146425, 2575710, 2861900, 3577375, 4292850, 5151420, 6439275, 7154750, 8585700, 10732125, 12878550, 14309500, 21464250, 25757100, 32196375, 42928500, 64392750, 128785500]

約数ペア:

[(1, 128785500), (2, 64392750), (3, 42928500), (4, 32196375), (5, 25757100), (6, 21464250), (9, 14309500), (10, 12878550), (12, 10732125), (15, 8585700), (18, 7154750), (20, 6439275), (25, 5151420), (30, 4292850), (36, 3577375), (45, 2861900), (50, 2575710), (60, 2146425), (75, 1717140), (90, 1430950), (100, 1287855), (125, 1030284), (150, 858570), (180, 715475), (225, 572380), (250, 515142), (300, 429285), (375, 343428), (450, 286190), (500, 257571), (750, 171714), (900, 143095), (1125, 114476), (1500, 85857), (2250, 57238), (4500, 28619)]