81002100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1399}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 235748800

約数和(自身を除く): 154746700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 193, 300, 386, 579, 772, 965, 1158, 1399, 1930, 2316, 2798, 2895, 3860, 4197, 4825, 5596, 5790, 6995, 8394, 9650, 11580, 13990, 14475, 16788, 19300, 20985, 27980, 28950, 34975, 41970, 57900, 69950, 83940, 104925, 139900, 209850, 270007, 419700, 540014, 810021, 1080028, 1350035, 1620042, 2700070, 3240084, 4050105, 5400140, 6750175, 8100210, 13500350, 16200420, 20250525, 27000700, 40501050, 81002100]

約数ペア:

[(1, 81002100), (2, 40501050), (3, 27000700), (4, 20250525), (5, 16200420), (6, 13500350), (10, 8100210), (12, 6750175), (15, 5400140), (20, 4050105), (25, 3240084), (30, 2700070), (50, 1620042), (60, 1350035), (75, 1080028), (100, 810021), (150, 540014), (193, 419700), (300, 270007), (386, 209850), (579, 139900), (772, 104925), (965, 83940), (1158, 69950), (1399, 57900), (1930, 41970), (2316, 34975), (2798, 28950), (2895, 27980), (3860, 20985), (4197, 19300), (4825, 16788), (5596, 14475), (5790, 13990), (6995, 11580), (8394, 9650)]