27577620

素因数分解:

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

素因数の和:574

約数の個数: 144

約数和(自身を含む): 98017920

約数和(自身を除く): 70440300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 509, 516, 602, 630, 645, 774, 860, 903, 1018, 1204, 1260, 1290, 1505, 1527, 1548, 1806, 1935, 2036, 2545, 2580, 2709, 3010, 3054, 3563, 3612, 3870, 4515, 4581, 5090, 5418, 6020, 6108, 7126, 7635, 7740, 9030, 9162, 10180, 10689, 10836, 13545, 14252, 15270, 17815, 18060, 18324, 21378, 21887, 22905, 27090, 30540, 32067, 35630, 42756, 43774, 45810, 53445, 54180, 64134, 65661, 71260, 87548, 91620, 106890, 109435, 128268, 131322, 153209, 160335, 196983, 213780, 218870, 262644, 306418, 320670, 328305, 393966, 437740, 459627, 612836, 641340, 656610, 766045, 787932, 919254, 984915, 1313220, 1378881, 1532090, 1838508, 1969830, 2298135, 2757762, 3064180, 3939660, 4596270, 5515524, 6894405, 9192540, 13788810, 27577620]

約数ペア:

[(1, 27577620), (2, 13788810), (3, 9192540), (4, 6894405), (5, 5515524), (6, 4596270), (7, 3939660), (9, 3064180), (10, 2757762), (12, 2298135), (14, 1969830), (15, 1838508), (18, 1532090), (20, 1378881), (21, 1313220), (28, 984915), (30, 919254), (35, 787932), (36, 766045), (42, 656610), (43, 641340), (45, 612836), (60, 459627), (63, 437740), (70, 393966), (84, 328305), (86, 320670), (90, 306418), (105, 262644), (126, 218870), (129, 213780), (140, 196983), (172, 160335), (180, 153209), (210, 131322), (215, 128268), (252, 109435), (258, 106890), (301, 91620), (315, 87548), (387, 71260), (420, 65661), (430, 64134), (509, 54180), (516, 53445), (602, 45810), (630, 43774), (645, 42756), (774, 35630), (860, 32067), (903, 30540), (1018, 27090), (1204, 22905), (1260, 21887), (1290, 21378), (1505, 18324), (1527, 18060), (1548, 17815), (1806, 15270), (1935, 14252), (2036, 13545), (2545, 10836), (2580, 10689), (2709, 10180), (3010, 9162), (3054, 9030), (3563, 7740), (3612, 7635), (3870, 7126), (4515, 6108), (4581, 6020), (5090, 5418)]