72368940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172307}}^1$

素因数の和:172326

約数の個数: 48

約数和(自身を含む): 231581952

約数和(自身を除く): 159213012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 172307, 344614, 516921, 689228, 861535, 1033842, 1206149, 1723070, 2067684, 2412298, 2584605, 3446140, 3618447, 4824596, 5169210, 6030745, 7236894, 10338420, 12061490, 14473788, 18092235, 24122980, 36184470, 72368940]

約数ペア:

[(1, 72368940), (2, 36184470), (3, 24122980), (4, 18092235), (5, 14473788), (6, 12061490), (7, 10338420), (10, 7236894), (12, 6030745), (14, 5169210), (15, 4824596), (20, 3618447), (21, 3446140), (28, 2584605), (30, 2412298), (35, 2067684), (42, 1723070), (60, 1206149), (70, 1033842), (84, 861535), (105, 689228), (140, 516921), (210, 344614), (420, 172307)]