78990000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{2633}}^1$

素因数の和:2664

約数の個数: 100

約数和(自身を含む): 255087096

約数和(自身を除く): 176097096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 750, 1000, 1200, 1250, 1500, 1875, 2000, 2500, 2633, 3000, 3750, 5000, 5266, 6000, 7500, 7899, 10000, 10532, 13165, 15000, 15798, 21064, 26330, 30000, 31596, 39495, 42128, 52660, 63192, 65825, 78990, 105320, 126384, 131650, 157980, 197475, 210640, 263300, 315960, 329125, 394950, 526600, 631920, 658250, 789900, 987375, 1053200, 1316500, 1579800, 1645625, 1974750, 2633000, 3159600, 3291250, 3949500, 4936875, 5266000, 6582500, 7899000, 9873750, 13165000, 15798000, 19747500, 26330000, 39495000, 78990000]

約数ペア:

[(1, 78990000), (2, 39495000), (3, 26330000), (4, 19747500), (5, 15798000), (6, 13165000), (8, 9873750), (10, 7899000), (12, 6582500), (15, 5266000), (16, 4936875), (20, 3949500), (24, 3291250), (25, 3159600), (30, 2633000), (40, 1974750), (48, 1645625), (50, 1579800), (60, 1316500), (75, 1053200), (80, 987375), (100, 789900), (120, 658250), (125, 631920), (150, 526600), (200, 394950), (240, 329125), (250, 315960), (300, 263300), (375, 210640), (400, 197475), (500, 157980), (600, 131650), (625, 126384), (750, 105320), (1000, 78990), (1200, 65825), (1250, 63192), (1500, 52660), (1875, 42128), (2000, 39495), (2500, 31596), (2633, 30000), (3000, 26330), (3750, 21064), (5000, 15798), (5266, 15000), (6000, 13165), (7500, 10532), (7899, 10000)]