61941420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1783}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 188968416

約数和(自身を除く): 127026996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1783, 1930, 2316, 2895, 3474, 3566, 3860, 5349, 5790, 6948, 7132, 8685, 8915, 10698, 11580, 16047, 17370, 17830, 21396, 26745, 32094, 34740, 35660, 53490, 64188, 80235, 106980, 160470, 320940, 344119, 688238, 1032357, 1376476, 1720595, 2064714, 3097071, 3441190, 4129428, 5161785, 6194142, 6882380, 10323570, 12388284, 15485355, 20647140, 30970710, 61941420]

約数ペア:

[(1, 61941420), (2, 30970710), (3, 20647140), (4, 15485355), (5, 12388284), (6, 10323570), (9, 6882380), (10, 6194142), (12, 5161785), (15, 4129428), (18, 3441190), (20, 3097071), (30, 2064714), (36, 1720595), (45, 1376476), (60, 1032357), (90, 688238), (180, 344119), (193, 320940), (386, 160470), (579, 106980), (772, 80235), (965, 64188), (1158, 53490), (1737, 35660), (1783, 34740), (1930, 32094), (2316, 26745), (2895, 21396), (3474, 17830), (3566, 17370), (3860, 16047), (5349, 11580), (5790, 10698), (6948, 8915), (7132, 8685)]