31407200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 86619456

約数和(自身を除く): 55212256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 43, 44, 50, 55, 80, 83, 86, 88, 100, 110, 160, 166, 172, 176, 200, 215, 220, 275, 332, 344, 352, 400, 415, 430, 440, 473, 550, 664, 688, 800, 830, 860, 880, 913, 946, 1075, 1100, 1328, 1376, 1660, 1720, 1760, 1826, 1892, 2075, 2150, 2200, 2365, 2656, 3320, 3440, 3569, 3652, 3784, 4150, 4300, 4400, 4565, 4730, 6640, 6880, 7138, 7304, 7568, 8300, 8600, 8800, 9130, 9460, 11825, 13280, 14276, 14608, 15136, 16600, 17200, 17845, 18260, 18920, 22825, 23650, 28552, 29216, 33200, 34400, 35690, 36520, 37840, 39259, 45650, 47300, 57104, 66400, 71380, 73040, 75680, 78518, 89225, 91300, 94600, 114208, 142760, 146080, 157036, 178450, 182600, 189200, 196295, 285520, 314072, 356900, 365200, 378400, 392590, 571040, 628144, 713800, 730400, 785180, 981475, 1256288, 1427600, 1570360, 1962950, 2855200, 3140720, 3925900, 6281440, 7851800, 15703600, 31407200]

約数ペア:

[(1, 31407200), (2, 15703600), (4, 7851800), (5, 6281440), (8, 3925900), (10, 3140720), (11, 2855200), (16, 1962950), (20, 1570360), (22, 1427600), (25, 1256288), (32, 981475), (40, 785180), (43, 730400), (44, 713800), (50, 628144), (55, 571040), (80, 392590), (83, 378400), (86, 365200), (88, 356900), (100, 314072), (110, 285520), (160, 196295), (166, 189200), (172, 182600), (176, 178450), (200, 157036), (215, 146080), (220, 142760), (275, 114208), (332, 94600), (344, 91300), (352, 89225), (400, 78518), (415, 75680), (430, 73040), (440, 71380), (473, 66400), (550, 57104), (664, 47300), (688, 45650), (800, 39259), (830, 37840), (860, 36520), (880, 35690), (913, 34400), (946, 33200), (1075, 29216), (1100, 28552), (1328, 23650), (1376, 22825), (1660, 18920), (1720, 18260), (1760, 17845), (1826, 17200), (1892, 16600), (2075, 15136), (2150, 14608), (2200, 14276), (2365, 13280), (2656, 11825), (3320, 9460), (3440, 9130), (3569, 8800), (3652, 8600), (3784, 8300), (4150, 7568), (4300, 7304), (4400, 7138), (4565, 6880), (4730, 6640)]