28384020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2503}}^1$

素因数の和:2531

約数の個数: 120

約数和(自身を含む): 101802624

約数和(自身を除く): 73418604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2503, 2835, 3780, 5006, 5670, 7509, 10012, 11340, 12515, 15018, 17521, 22527, 25030, 30036, 35042, 37545, 45054, 50060, 52563, 67581, 70084, 75090, 87605, 90108, 105126, 112635, 135162, 150180, 157689, 175210, 202743, 210252, 225270, 262815, 270324, 315378, 337905, 350420, 405486, 450540, 473067, 525630, 630756, 675810, 788445, 810972, 946134, 1013715, 1051260, 1351620, 1419201, 1576890, 1892268, 2027430, 2365335, 2838402, 3153780, 4054860, 4730670, 5676804, 7096005, 9461340, 14192010, 28384020]

約数ペア:

[(1, 28384020), (2, 14192010), (3, 9461340), (4, 7096005), (5, 5676804), (6, 4730670), (7, 4054860), (9, 3153780), (10, 2838402), (12, 2365335), (14, 2027430), (15, 1892268), (18, 1576890), (20, 1419201), (21, 1351620), (27, 1051260), (28, 1013715), (30, 946134), (35, 810972), (36, 788445), (42, 675810), (45, 630756), (54, 525630), (60, 473067), (63, 450540), (70, 405486), (81, 350420), (84, 337905), (90, 315378), (105, 270324), (108, 262815), (126, 225270), (135, 210252), (140, 202743), (162, 175210), (180, 157689), (189, 150180), (210, 135162), (252, 112635), (270, 105126), (315, 90108), (324, 87605), (378, 75090), (405, 70084), (420, 67581), (540, 52563), (567, 50060), (630, 45054), (756, 37545), (810, 35042), (945, 30036), (1134, 25030), (1260, 22527), (1620, 17521), (1890, 15018), (2268, 12515), (2503, 11340), (2835, 10012), (3780, 7509), (5006, 5670)]