28686420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7589}}^1$

素因数の和:7614

約数の個数: 96

約数和(自身を含む): 102009600

約数和(自身を除く): 73323180

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7589, 15178, 22767, 30356, 37945, 45534, 53123, 68301, 75890, 91068, 106246, 113835, 136602, 151780, 159369, 204903, 212492, 227670, 265615, 273204, 318738, 341505, 409806, 455340, 478107, 531230, 637476, 683010, 796845, 819612, 956214, 1024515, 1062460, 1366020, 1434321, 1593690, 1912428, 2049030, 2390535, 2868642, 3187380, 4098060, 4781070, 5737284, 7171605, 9562140, 14343210, 28686420]

約数ペア:

[(1, 28686420), (2, 14343210), (3, 9562140), (4, 7171605), (5, 5737284), (6, 4781070), (7, 4098060), (9, 3187380), (10, 2868642), (12, 2390535), (14, 2049030), (15, 1912428), (18, 1593690), (20, 1434321), (21, 1366020), (27, 1062460), (28, 1024515), (30, 956214), (35, 819612), (36, 796845), (42, 683010), (45, 637476), (54, 531230), (60, 478107), (63, 455340), (70, 409806), (84, 341505), (90, 318738), (105, 273204), (108, 265615), (126, 227670), (135, 212492), (140, 204903), (180, 159369), (189, 151780), (210, 136602), (252, 113835), (270, 106246), (315, 91068), (378, 75890), (420, 68301), (540, 53123), (630, 45534), (756, 37945), (945, 30356), (1260, 22767), (1890, 15178), (3780, 7589)]