164484760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 418251600

約数和(自身を除く): 253766840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 389, 440, 620, 682, 778, 961, 1240, 1364, 1556, 1705, 1922, 1945, 2728, 3112, 3410, 3844, 3890, 4279, 4805, 6820, 7688, 7780, 8558, 9610, 10571, 12059, 13640, 15560, 17116, 19220, 21142, 21395, 24118, 34232, 38440, 42284, 42790, 48236, 52855, 60295, 84568, 85580, 96472, 105710, 120590, 132649, 171160, 211420, 241180, 265298, 373829, 422840, 482360, 530596, 663245, 747658, 1061192, 1326490, 1495316, 1869145, 2652980, 2990632, 3738290, 4112119, 5305960, 7476580, 8224238, 14953160, 16448476, 20560595, 32896952, 41121190, 82242380, 164484760]

約数ペア:

[(1, 164484760), (2, 82242380), (4, 41121190), (5, 32896952), (8, 20560595), (10, 16448476), (11, 14953160), (20, 8224238), (22, 7476580), (31, 5305960), (40, 4112119), (44, 3738290), (55, 2990632), (62, 2652980), (88, 1869145), (110, 1495316), (124, 1326490), (155, 1061192), (220, 747658), (248, 663245), (310, 530596), (341, 482360), (389, 422840), (440, 373829), (620, 265298), (682, 241180), (778, 211420), (961, 171160), (1240, 132649), (1364, 120590), (1556, 105710), (1705, 96472), (1922, 85580), (1945, 84568), (2728, 60295), (3112, 52855), (3410, 48236), (3844, 42790), (3890, 42284), (4279, 38440), (4805, 34232), (6820, 24118), (7688, 21395), (7780, 21142), (8558, 19220), (9610, 17116), (10571, 15560), (12059, 13640)]