28428660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12149}}^1$

素因数の和:12177

約数の個数: 72

約数和(自身を含む): 92874600

約数和(自身を除く): 64445940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12149, 24298, 36447, 48596, 60745, 72894, 109341, 121490, 145788, 157937, 182235, 218682, 242980, 315874, 364470, 437364, 473811, 546705, 631748, 728940, 789685, 947622, 1093410, 1421433, 1579370, 1895244, 2186820, 2369055, 2842866, 3158740, 4738110, 5685732, 7107165, 9476220, 14214330, 28428660]

約数ペア:

[(1, 28428660), (2, 14214330), (3, 9476220), (4, 7107165), (5, 5685732), (6, 4738110), (9, 3158740), (10, 2842866), (12, 2369055), (13, 2186820), (15, 1895244), (18, 1579370), (20, 1421433), (26, 1093410), (30, 947622), (36, 789685), (39, 728940), (45, 631748), (52, 546705), (60, 473811), (65, 437364), (78, 364470), (90, 315874), (117, 242980), (130, 218682), (156, 182235), (180, 157937), (195, 145788), (234, 121490), (260, 109341), (390, 72894), (468, 60745), (585, 48596), (780, 36447), (1170, 24298), (2340, 12149)]