13440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1$

素因数の和:29

約数の個数: 64

約数和(自身を含む): 48960

約数和(自身を除く): 35520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440]

約数ペア:

[(1, 13440), (2, 6720), (3, 4480), (4, 3360), (5, 2688), (6, 2240), (7, 1920), (8, 1680), (10, 1344), (12, 1120), (14, 960), (15, 896), (16, 840), (20, 672), (21, 640), (24, 560), (28, 480), (30, 448), (32, 420), (35, 384), (40, 336), (42, 320), (48, 280), (56, 240), (60, 224), (64, 210), (70, 192), (80, 168), (84, 160), (96, 140), (105, 128), (112, 120)]