15987400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 44930160

約数和(自身を除く): 28942760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 43, 44, 50, 52, 55, 65, 86, 88, 100, 104, 110, 130, 143, 169, 172, 200, 215, 220, 260, 275, 286, 325, 338, 344, 430, 440, 473, 520, 550, 559, 572, 650, 676, 715, 845, 860, 946, 1075, 1100, 1118, 1144, 1300, 1352, 1430, 1690, 1720, 1859, 1892, 2150, 2200, 2236, 2365, 2600, 2795, 2860, 3380, 3575, 3718, 3784, 4225, 4300, 4472, 4730, 5590, 5720, 6149, 6760, 7150, 7267, 7436, 8450, 8600, 9295, 9460, 11180, 11825, 12298, 13975, 14300, 14534, 14872, 16900, 18590, 18920, 22360, 23650, 24596, 27950, 28600, 29068, 30745, 33800, 36335, 37180, 46475, 47300, 49192, 55900, 58136, 61490, 72670, 74360, 79937, 92950, 94600, 111800, 122980, 145340, 153725, 159874, 181675, 185900, 245960, 290680, 307450, 319748, 363350, 371800, 399685, 614900, 639496, 726700, 799370, 1229800, 1453400, 1598740, 1998425, 3197480, 3996850, 7993700, 15987400]

約数ペア:

[(1, 15987400), (2, 7993700), (4, 3996850), (5, 3197480), (8, 1998425), (10, 1598740), (11, 1453400), (13, 1229800), (20, 799370), (22, 726700), (25, 639496), (26, 614900), (40, 399685), (43, 371800), (44, 363350), (50, 319748), (52, 307450), (55, 290680), (65, 245960), (86, 185900), (88, 181675), (100, 159874), (104, 153725), (110, 145340), (130, 122980), (143, 111800), (169, 94600), (172, 92950), (200, 79937), (215, 74360), (220, 72670), (260, 61490), (275, 58136), (286, 55900), (325, 49192), (338, 47300), (344, 46475), (430, 37180), (440, 36335), (473, 33800), (520, 30745), (550, 29068), (559, 28600), (572, 27950), (650, 24596), (676, 23650), (715, 22360), (845, 18920), (860, 18590), (946, 16900), (1075, 14872), (1100, 14534), (1118, 14300), (1144, 13975), (1300, 12298), (1352, 11825), (1430, 11180), (1690, 9460), (1720, 9295), (1859, 8600), (1892, 8450), (2150, 7436), (2200, 7267), (2236, 7150), (2365, 6760), (2600, 6149), (2795, 5720), (2860, 5590), (3380, 4730), (3575, 4472), (3718, 4300), (3784, 4225)]