17961720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21383}}^1$

素因数の和:21404

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 43624200

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, 21383, 42766, 64149, 85532, 106915, 128298, 149681, 171064, 213830, 256596, 299362, 320745, 427660, 449043, 513192, 598724, 641490, 748405, 855320, 898086, 1197448, 1282980, 1496810, 1796172, 2245215, 2565960, 2993620, 3592344, 4490430, 5987240, 8980860, 17961720]

約数ペア:

[(1, 17961720), (2, 8980860), (3, 5987240), (4, 4490430), (5, 3592344), (6, 2993620), (7, 2565960), (8, 2245215), (10, 1796172), (12, 1496810), (14, 1282980), (15, 1197448), (20, 898086), (21, 855320), (24, 748405), (28, 641490), (30, 598724), (35, 513192), (40, 449043), (42, 427660), (56, 320745), (60, 299362), (70, 256596), (84, 213830), (105, 171064), (120, 149681), (140, 128298), (168, 106915), (210, 85532), (280, 64149), (420, 42766), (840, 21383)]