51085020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{121631}}^1$

素因数の和:121650

約数の個数: 48

約数和(自身を含む): 163473408

約数和(自身を除く): 112388388

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, 121631, 243262, 364893, 486524, 608155, 729786, 851417, 1216310, 1459572, 1702834, 1824465, 2432620, 2554251, 3405668, 3648930, 4257085, 5108502, 7297860, 8514170, 10217004, 12771255, 17028340, 25542510, 51085020]

約数ペア:

[(1, 51085020), (2, 25542510), (3, 17028340), (4, 12771255), (5, 10217004), (6, 8514170), (7, 7297860), (10, 5108502), (12, 4257085), (14, 3648930), (15, 3405668), (20, 2554251), (21, 2432620), (28, 1824465), (30, 1702834), (35, 1459572), (42, 1216310), (60, 851417), (70, 729786), (84, 608155), (105, 486524), (140, 364893), (210, 243262), (420, 121631)]