18385080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 46242120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 509, 516, 602, 645, 840, 860, 903, 1018, 1032, 1204, 1290, 1505, 1527, 1720, 1806, 2036, 2408, 2545, 2580, 3010, 3054, 3563, 3612, 4072, 4515, 5090, 5160, 6020, 6108, 7126, 7224, 7635, 9030, 10180, 10689, 12040, 12216, 14252, 15270, 17815, 18060, 20360, 21378, 21887, 28504, 30540, 35630, 36120, 42756, 43774, 53445, 61080, 65661, 71260, 85512, 87548, 106890, 109435, 131322, 142520, 153209, 175096, 213780, 218870, 262644, 306418, 328305, 427560, 437740, 459627, 525288, 612836, 656610, 766045, 875480, 919254, 1225672, 1313220, 1532090, 1838508, 2298135, 2626440, 3064180, 3677016, 4596270, 6128360, 9192540, 18385080]

約数ペア:

[(1, 18385080), (2, 9192540), (3, 6128360), (4, 4596270), (5, 3677016), (6, 3064180), (7, 2626440), (8, 2298135), (10, 1838508), (12, 1532090), (14, 1313220), (15, 1225672), (20, 919254), (21, 875480), (24, 766045), (28, 656610), (30, 612836), (35, 525288), (40, 459627), (42, 437740), (43, 427560), (56, 328305), (60, 306418), (70, 262644), (84, 218870), (86, 213780), (105, 175096), (120, 153209), (129, 142520), (140, 131322), (168, 109435), (172, 106890), (210, 87548), (215, 85512), (258, 71260), (280, 65661), (301, 61080), (344, 53445), (420, 43774), (430, 42756), (509, 36120), (516, 35630), (602, 30540), (645, 28504), (840, 21887), (860, 21378), (903, 20360), (1018, 18060), (1032, 17815), (1204, 15270), (1290, 14252), (1505, 12216), (1527, 12040), (1720, 10689), (1806, 10180), (2036, 9030), (2408, 7635), (2545, 7224), (2580, 7126), (3010, 6108), (3054, 6020), (3563, 5160), (3612, 5090), (4072, 4515)]