1291391568

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{239}}^2$

素因数の和:649

約数の個数: 90

約数和(自身を含む): 3652404314

約数和(自身を除く): 2361012746

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 239, 314, 471, 478, 628, 717, 942, 956, 1256, 1413, 1434, 1884, 1912, 2151, 2512, 2826, 2868, 3768, 3824, 4302, 5652, 5736, 7536, 8604, 11304, 11472, 17208, 22608, 34416, 37523, 57121, 75046, 112569, 114242, 150092, 171363, 225138, 228484, 300184, 337707, 342726, 450276, 456968, 514089, 600368, 675414, 685452, 900552, 913936, 1028178, 1350828, 1370904, 1801104, 2056356, 2701656, 2741808, 4112712, 5403312, 8225424, 8967997, 17935994, 26903991, 35871988, 53807982, 71743976, 80711973, 107615964, 143487952, 161423946, 215231928, 322847892, 430463856, 645695784, 1291391568]

約数ペア:

[(1, 1291391568), (2, 645695784), (3, 430463856), (4, 322847892), (6, 215231928), (8, 161423946), (9, 143487952), (12, 107615964), (16, 80711973), (18, 71743976), (24, 53807982), (36, 35871988), (48, 26903991), (72, 17935994), (144, 8967997), (157, 8225424), (239, 5403312), (314, 4112712), (471, 2741808), (478, 2701656), (628, 2056356), (717, 1801104), (942, 1370904), (956, 1350828), (1256, 1028178), (1413, 913936), (1434, 900552), (1884, 685452), (1912, 675414), (2151, 600368), (2512, 514089), (2826, 456968), (2868, 450276), (3768, 342726), (3824, 337707), (4302, 300184), (5652, 228484), (5736, 225138), (7536, 171363), (8604, 150092), (11304, 114242), (11472, 112569), (17208, 75046), (22608, 57121), (34416, 37523)]