1983000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{661}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 6196320

約数和(自身を除く): 4213320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 661, 750, 1000, 1322, 1500, 1983, 2644, 3000, 3305, 3966, 5288, 6610, 7932, 9915, 13220, 15864, 16525, 19830, 26440, 33050, 39660, 49575, 66100, 79320, 82625, 99150, 132200, 165250, 198300, 247875, 330500, 396600, 495750, 661000, 991500, 1983000]

約数ペア:

[(1, 1983000), (2, 991500), (3, 661000), (4, 495750), (5, 396600), (6, 330500), (8, 247875), (10, 198300), (12, 165250), (15, 132200), (20, 99150), (24, 82625), (25, 79320), (30, 66100), (40, 49575), (50, 39660), (60, 33050), (75, 26440), (100, 19830), (120, 16525), (125, 15864), (150, 13220), (200, 9915), (250, 7932), (300, 6610), (375, 5288), (500, 3966), (600, 3305), (661, 3000), (750, 2644), (1000, 1983), (1322, 1500)]