30240

素因数分解:

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

素因数の和:31

約数の個数: 96

約数和(自身を含む): 120960

約数和(自身を除く): 90720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240]

約数ペア:

[(1, 30240), (2, 15120), (3, 10080), (4, 7560), (5, 6048), (6, 5040), (7, 4320), (8, 3780), (9, 3360), (10, 3024), (12, 2520), (14, 2160), (15, 2016), (16, 1890), (18, 1680), (20, 1512), (21, 1440), (24, 1260), (27, 1120), (28, 1080), (30, 1008), (32, 945), (35, 864), (36, 840), (40, 756), (42, 720), (45, 672), (48, 630), (54, 560), (56, 540), (60, 504), (63, 480), (70, 432), (72, 420), (80, 378), (84, 360), (90, 336), (96, 315), (105, 288), (108, 280), (112, 270), (120, 252), (126, 240), (135, 224), (140, 216), (144, 210), (160, 189), (168, 180)]