261489240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42727}}^1$

素因数の和:42761

約数の個数: 96

約数和(自身を含む): 899851680

約数和(自身を除く): 638362440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 42727, 85454, 128181, 170908, 213635, 256362, 341816, 384543, 427270, 512724, 640905, 726359, 769086, 854540, 1025448, 1281810, 1452718, 1538172, 1709080, 1922715, 2179077, 2563620, 2905436, 3076344, 3631795, 3845430, 4358154, 5127240, 5810872, 6537231, 7263590, 7690860, 8716308, 10895385, 13074462, 14527180, 15381720, 17432616, 21790770, 26148924, 29054360, 32686155, 43581540, 52297848, 65372310, 87163080, 130744620, 261489240]

約数ペア:

[(1, 261489240), (2, 130744620), (3, 87163080), (4, 65372310), (5, 52297848), (6, 43581540), (8, 32686155), (9, 29054360), (10, 26148924), (12, 21790770), (15, 17432616), (17, 15381720), (18, 14527180), (20, 13074462), (24, 10895385), (30, 8716308), (34, 7690860), (36, 7263590), (40, 6537231), (45, 5810872), (51, 5127240), (60, 4358154), (68, 3845430), (72, 3631795), (85, 3076344), (90, 2905436), (102, 2563620), (120, 2179077), (136, 1922715), (153, 1709080), (170, 1538172), (180, 1452718), (204, 1281810), (255, 1025448), (306, 854540), (340, 769086), (360, 726359), (408, 640905), (510, 512724), (612, 427270), (680, 384543), (765, 341816), (1020, 256362), (1224, 213635), (1530, 170908), (2040, 128181), (3060, 85454), (6120, 42727)]