81738020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 213900288

約数和(自身を除く): 132162268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 97, 130, 140, 182, 194, 260, 364, 388, 455, 463, 485, 679, 910, 926, 970, 1261, 1358, 1820, 1852, 1940, 2315, 2522, 2716, 3241, 3395, 4630, 5044, 6019, 6305, 6482, 6790, 8827, 9260, 12038, 12610, 12964, 13580, 16205, 17654, 24076, 25220, 30095, 32410, 35308, 42133, 44135, 44911, 60190, 64820, 84266, 88270, 89822, 120380, 168532, 176540, 179644, 210665, 224555, 314377, 421330, 449110, 583843, 628754, 842660, 898220, 1167686, 1257508, 1571885, 2335372, 2919215, 3143770, 4086901, 5838430, 6287540, 8173802, 11676860, 16347604, 20434505, 40869010, 81738020]

約数ペア:

[(1, 81738020), (2, 40869010), (4, 20434505), (5, 16347604), (7, 11676860), (10, 8173802), (13, 6287540), (14, 5838430), (20, 4086901), (26, 3143770), (28, 2919215), (35, 2335372), (52, 1571885), (65, 1257508), (70, 1167686), (91, 898220), (97, 842660), (130, 628754), (140, 583843), (182, 449110), (194, 421330), (260, 314377), (364, 224555), (388, 210665), (455, 179644), (463, 176540), (485, 168532), (679, 120380), (910, 89822), (926, 88270), (970, 84266), (1261, 64820), (1358, 60190), (1820, 44911), (1852, 44135), (1940, 42133), (2315, 35308), (2522, 32410), (2716, 30095), (3241, 25220), (3395, 24076), (4630, 17654), (5044, 16205), (6019, 13580), (6305, 12964), (6482, 12610), (6790, 12038), (8827, 9260)]