388686000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{64781}}^1$

素因数の和:64807

約数の個数: 80

約数和(自身を含む): 1253143008

約数和(自身を除く): 864457008

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, 750, 1000, 1200, 1500, 2000, 3000, 6000, 64781, 129562, 194343, 259124, 323905, 388686, 518248, 647810, 777372, 971715, 1036496, 1295620, 1554744, 1619525, 1943430, 2591240, 3109488, 3239050, 3886860, 4858575, 5182480, 6478100, 7773720, 8097625, 9717150, 12956200, 15547440, 16195250, 19434300, 24292875, 25912400, 32390500, 38868600, 48585750, 64781000, 77737200, 97171500, 129562000, 194343000, 388686000]

約数ペア:

[(1, 388686000), (2, 194343000), (3, 129562000), (4, 97171500), (5, 77737200), (6, 64781000), (8, 48585750), (10, 38868600), (12, 32390500), (15, 25912400), (16, 24292875), (20, 19434300), (24, 16195250), (25, 15547440), (30, 12956200), (40, 9717150), (48, 8097625), (50, 7773720), (60, 6478100), (75, 5182480), (80, 4858575), (100, 3886860), (120, 3239050), (125, 3109488), (150, 2591240), (200, 1943430), (240, 1619525), (250, 1554744), (300, 1295620), (375, 1036496), (400, 971715), (500, 777372), (600, 647810), (750, 518248), (1000, 388686), (1200, 323905), (1500, 259124), (2000, 194343), (3000, 129562), (6000, 64781)]