999660000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{16661}}^1$

素因数の和:16694

約数の個数: 120

約数和(自身を含む): 3279281544

約数和(自身を除く): 2279621544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2400, 2500, 3000, 3750, 4000, 5000, 6000, 7500, 10000, 12000, 15000, 16661, 20000, 30000, 33322, 49983, 60000, 66644, 83305, 99966, 133288, 166610, 199932, 249915, 266576, 333220, 399864, 416525, 499830, 533152, 666440, 799728, 833050, 999660, 1249575, 1332880, 1599456, 1666100, 1999320, 2082625, 2499150, 2665760, 3332200, 3998640, 4165250, 4998300, 6247875, 6664400, 7997280, 8330500, 9996600, 10413125, 12495750, 13328800, 16661000, 19993200, 20826250, 24991500, 31239375, 33322000, 39986400, 41652500, 49983000, 62478750, 66644000, 83305000, 99966000, 124957500, 166610000, 199932000, 249915000, 333220000, 499830000, 999660000]

約数ペア:

[(1, 999660000), (2, 499830000), (3, 333220000), (4, 249915000), (5, 199932000), (6, 166610000), (8, 124957500), (10, 99966000), (12, 83305000), (15, 66644000), (16, 62478750), (20, 49983000), (24, 41652500), (25, 39986400), (30, 33322000), (32, 31239375), (40, 24991500), (48, 20826250), (50, 19993200), (60, 16661000), (75, 13328800), (80, 12495750), (96, 10413125), (100, 9996600), (120, 8330500), (125, 7997280), (150, 6664400), (160, 6247875), (200, 4998300), (240, 4165250), (250, 3998640), (300, 3332200), (375, 2665760), (400, 2499150), (480, 2082625), (500, 1999320), (600, 1666100), (625, 1599456), (750, 1332880), (800, 1249575), (1000, 999660), (1200, 833050), (1250, 799728), (1500, 666440), (1875, 533152), (2000, 499830), (2400, 416525), (2500, 399864), (3000, 333220), (3750, 266576), (4000, 249915), (5000, 199932), (6000, 166610), (7500, 133288), (10000, 99966), (12000, 83305), (15000, 66644), (16661, 60000), (20000, 49983), (30000, 33322)]