216897240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258211}}^1$

素因数の和:258232

約数の個数: 64

約数和(自身を含む): 743650560

約数和(自身を除く): 526753320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 258211, 516422, 774633, 1032844, 1291055, 1549266, 1807477, 2065688, 2582110, 3098532, 3614954, 3873165, 5164220, 5422431, 6197064, 7229908, 7746330, 9037385, 10328440, 10844862, 14459816, 15492660, 18074770, 21689724, 27112155, 30985320, 36149540, 43379448, 54224310, 72299080, 108448620, 216897240]

約数ペア:

[(1, 216897240), (2, 108448620), (3, 72299080), (4, 54224310), (5, 43379448), (6, 36149540), (7, 30985320), (8, 27112155), (10, 21689724), (12, 18074770), (14, 15492660), (15, 14459816), (20, 10844862), (21, 10328440), (24, 9037385), (28, 7746330), (30, 7229908), (35, 6197064), (40, 5422431), (42, 5164220), (56, 3873165), (60, 3614954), (70, 3098532), (84, 2582110), (105, 2065688), (120, 1807477), (140, 1549266), (168, 1291055), (210, 1032844), (280, 774633), (420, 516422), (840, 258211)]