20172742380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{326737}}^1$

素因数の和:326773

約数の個数: 144

約数和(自身を含む): 71359579200

約数和(自身を除く): 51186836820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3087, 3430, 4116, 4410, 5145, 6174, 6860, 8820, 10290, 12348, 15435, 20580, 30870, 61740, 326737, 653474, 980211, 1306948, 1633685, 1960422, 2287159, 2940633, 3267370, 3920844, 4574318, 4901055, 5881266, 6534740, 6861477, 9148636, 9802110, 11435795, 11762532, 13722954, 14703165, 16010113, 19604220, 20584431, 22871590, 27445908, 29406330, 32020226, 34307385, 41168862, 45743180, 48030339, 58812660, 64040452, 68614770, 80050565, 82337724, 96060678, 102922155, 112070791, 137229540, 144091017, 160101130, 192121356, 205844310, 224141582, 240151695, 288182034, 320202260, 336212373, 411688620, 448283164, 480303390, 560353955, 576364068, 672424746, 720455085, 960606780, 1008637119, 1120707910, 1344849492, 1440910170, 1681061865, 2017274238, 2241415820, 2881820340, 3362123730, 4034548476, 5043185595, 6724247460, 10086371190, 20172742380]

約数ペア:

[(1, 20172742380), (2, 10086371190), (3, 6724247460), (4, 5043185595), (5, 4034548476), (6, 3362123730), (7, 2881820340), (9, 2241415820), (10, 2017274238), (12, 1681061865), (14, 1440910170), (15, 1344849492), (18, 1120707910), (20, 1008637119), (21, 960606780), (28, 720455085), (30, 672424746), (35, 576364068), (36, 560353955), (42, 480303390), (45, 448283164), (49, 411688620), (60, 336212373), (63, 320202260), (70, 288182034), (84, 240151695), (90, 224141582), (98, 205844310), (105, 192121356), (126, 160101130), (140, 144091017), (147, 137229540), (180, 112070791), (196, 102922155), (210, 96060678), (245, 82337724), (252, 80050565), (294, 68614770), (315, 64040452), (343, 58812660), (420, 48030339), (441, 45743180), (490, 41168862), (588, 34307385), (630, 32020226), (686, 29406330), (735, 27445908), (882, 22871590), (980, 20584431), (1029, 19604220), (1260, 16010113), (1372, 14703165), (1470, 13722954), (1715, 11762532), (1764, 11435795), (2058, 9802110), (2205, 9148636), (2940, 6861477), (3087, 6534740), (3430, 5881266), (4116, 4901055), (4410, 4574318), (5145, 3920844), (6174, 3267370), (6860, 2940633), (8820, 2287159), (10290, 1960422), (12348, 1633685), (15435, 1306948), (20580, 980211), (30870, 653474), (61740, 326737)]