81920790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7649}}^1$

素因数の和:7686

約数の個数: 96

約数和(自身を含む): 257774400

約数和(自身を除く): 175853610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 3570, 5355, 7649, 10710, 15298, 22947, 38245, 45894, 53543, 68841, 76490, 107086, 114735, 130033, 137682, 160629, 229470, 260066, 267715, 321258, 344205, 390099, 481887, 535430, 650165, 688410, 780198, 803145, 910231, 963774, 1170297, 1300330, 1606290, 1820462, 1950495, 2340594, 2409435, 2730693, 3900990, 4551155, 4818870, 5461386, 5851485, 8192079, 9102310, 11702970, 13653465, 16384158, 27306930, 40960395, 81920790]

約数ペア:

[(1, 81920790), (2, 40960395), (3, 27306930), (5, 16384158), (6, 13653465), (7, 11702970), (9, 9102310), (10, 8192079), (14, 5851485), (15, 5461386), (17, 4818870), (18, 4551155), (21, 3900990), (30, 2730693), (34, 2409435), (35, 2340594), (42, 1950495), (45, 1820462), (51, 1606290), (63, 1300330), (70, 1170297), (85, 963774), (90, 910231), (102, 803145), (105, 780198), (119, 688410), (126, 650165), (153, 535430), (170, 481887), (210, 390099), (238, 344205), (255, 321258), (306, 267715), (315, 260066), (357, 229470), (510, 160629), (595, 137682), (630, 130033), (714, 114735), (765, 107086), (1071, 76490), (1190, 68841), (1530, 53543), (1785, 45894), (2142, 38245), (3570, 22947), (5355, 15298), (7649, 10710)]