51851280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16619}}^1$

素因数の和:16648

約数の個数: 80

約数和(自身を含む): 173113920

約数和(自身を除く): 121262640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 16619, 33238, 49857, 66476, 83095, 99714, 132952, 166190, 199428, 216047, 249285, 265904, 332380, 398856, 432094, 498570, 648141, 664760, 797712, 864188, 997140, 1080235, 1296282, 1329520, 1728376, 1994280, 2160470, 2592564, 3240705, 3456752, 3988560, 4320940, 5185128, 6481410, 8641880, 10370256, 12962820, 17283760, 25925640, 51851280]

約数ペア:

[(1, 51851280), (2, 25925640), (3, 17283760), (4, 12962820), (5, 10370256), (6, 8641880), (8, 6481410), (10, 5185128), (12, 4320940), (13, 3988560), (15, 3456752), (16, 3240705), (20, 2592564), (24, 2160470), (26, 1994280), (30, 1728376), (39, 1329520), (40, 1296282), (48, 1080235), (52, 997140), (60, 864188), (65, 797712), (78, 664760), (80, 648141), (104, 498570), (120, 432094), (130, 398856), (156, 332380), (195, 265904), (208, 249285), (240, 216047), (260, 199428), (312, 166190), (390, 132952), (520, 99714), (624, 83095), (780, 66476), (1040, 49857), (1560, 33238), (3120, 16619)]