123990000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{4133}}^1$

素因数の和:4164

約数の個数: 100

約数和(自身を含む): 400353096

約数和(自身を除く): 276363096

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, 3000, 3750, 4133, 5000, 6000, 7500, 8266, 10000, 12399, 15000, 16532, 20665, 24798, 30000, 33064, 41330, 49596, 61995, 66128, 82660, 99192, 103325, 123990, 165320, 198384, 206650, 247980, 309975, 330640, 413300, 495960, 516625, 619950, 826600, 991920, 1033250, 1239900, 1549875, 1653200, 2066500, 2479800, 2583125, 3099750, 4133000, 4959600, 5166250, 6199500, 7749375, 8266000, 10332500, 12399000, 15498750, 20665000, 24798000, 30997500, 41330000, 61995000, 123990000]

約数ペア:

[(1, 123990000), (2, 61995000), (3, 41330000), (4, 30997500), (5, 24798000), (6, 20665000), (8, 15498750), (10, 12399000), (12, 10332500), (15, 8266000), (16, 7749375), (20, 6199500), (24, 5166250), (25, 4959600), (30, 4133000), (40, 3099750), (48, 2583125), (50, 2479800), (60, 2066500), (75, 1653200), (80, 1549875), (100, 1239900), (120, 1033250), (125, 991920), (150, 826600), (200, 619950), (240, 516625), (250, 495960), (300, 413300), (375, 330640), (400, 309975), (500, 247980), (600, 206650), (625, 198384), (750, 165320), (1000, 123990), (1200, 103325), (1250, 99192), (1500, 82660), (1875, 66128), (2000, 61995), (2500, 49596), (3000, 41330), (3750, 33064), (4133, 30000), (5000, 24798), (6000, 20665), (7500, 16532), (8266, 15000), (10000, 12399)]