80878800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{67399}}^1$

素因数の和:67420

約数の個数: 60

約数和(自身を含む): 259085600

約数和(自身を除く): 178206800

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, 150, 200, 240, 300, 400, 600, 1200, 67399, 134798, 202197, 269596, 336995, 404394, 539192, 673990, 808788, 1010985, 1078384, 1347980, 1617576, 1684975, 2021970, 2695960, 3235152, 3369950, 4043940, 5054925, 5391920, 6739900, 8087880, 10109850, 13479800, 16175760, 20219700, 26959600, 40439400, 80878800]

約数ペア:

[(1, 80878800), (2, 40439400), (3, 26959600), (4, 20219700), (5, 16175760), (6, 13479800), (8, 10109850), (10, 8087880), (12, 6739900), (15, 5391920), (16, 5054925), (20, 4043940), (24, 3369950), (25, 3235152), (30, 2695960), (40, 2021970), (48, 1684975), (50, 1617576), (60, 1347980), (75, 1078384), (80, 1010985), (100, 808788), (120, 673990), (150, 539192), (200, 404394), (240, 336995), (300, 269596), (400, 202197), (600, 134798), (1200, 67399)]