15891540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 51389184

約数和(自身を除く): 35497644

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, 157, 210, 241, 314, 420, 471, 482, 628, 723, 785, 942, 964, 1099, 1205, 1446, 1570, 1687, 1884, 2198, 2355, 2410, 2892, 3140, 3297, 3374, 3615, 4396, 4710, 4820, 5061, 5495, 6594, 6748, 7230, 8435, 9420, 10122, 10990, 13188, 14460, 16485, 16870, 20244, 21980, 25305, 32970, 33740, 37837, 50610, 65940, 75674, 101220, 113511, 151348, 189185, 227022, 264859, 378370, 454044, 529718, 567555, 756740, 794577, 1059436, 1135110, 1324295, 1589154, 2270220, 2648590, 3178308, 3972885, 5297180, 7945770, 15891540]

約数ペア:

[(1, 15891540), (2, 7945770), (3, 5297180), (4, 3972885), (5, 3178308), (6, 2648590), (7, 2270220), (10, 1589154), (12, 1324295), (14, 1135110), (15, 1059436), (20, 794577), (21, 756740), (28, 567555), (30, 529718), (35, 454044), (42, 378370), (60, 264859), (70, 227022), (84, 189185), (105, 151348), (140, 113511), (157, 101220), (210, 75674), (241, 65940), (314, 50610), (420, 37837), (471, 33740), (482, 32970), (628, 25305), (723, 21980), (785, 20244), (942, 16870), (964, 16485), (1099, 14460), (1205, 13188), (1446, 10990), (1570, 10122), (1687, 9420), (1884, 8435), (2198, 7230), (2355, 6748), (2410, 6594), (2892, 5495), (3140, 5061), (3297, 4820), (3374, 4710), (3615, 4396)]