201081720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239383}}^1$

素因数の和:239404

約数の個数: 64

約数和(自身を含む): 689425920

約数和(自身を除く): 488344200

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, 239383, 478766, 718149, 957532, 1196915, 1436298, 1675681, 1915064, 2393830, 2872596, 3351362, 3590745, 4787660, 5027043, 5745192, 6702724, 7181490, 8378405, 9575320, 10054086, 13405448, 14362980, 16756810, 20108172, 25135215, 28725960, 33513620, 40216344, 50270430, 67027240, 100540860, 201081720]

約数ペア:

[(1, 201081720), (2, 100540860), (3, 67027240), (4, 50270430), (5, 40216344), (6, 33513620), (7, 28725960), (8, 25135215), (10, 20108172), (12, 16756810), (14, 14362980), (15, 13405448), (20, 10054086), (21, 9575320), (24, 8378405), (28, 7181490), (30, 6702724), (35, 5745192), (40, 5027043), (42, 4787660), (56, 3590745), (60, 3351362), (70, 2872596), (84, 2393830), (105, 1915064), (120, 1675681), (140, 1436298), (168, 1196915), (210, 957532), (280, 718149), (420, 478766), (840, 239383)]