1991936520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{790451}}^1$

素因数の和:790475

約数の個数: 96

約数和(自身を含む): 7398630720

約数和(自身を除く): 5406694200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 790451, 1580902, 2371353, 3161804, 3952255, 4742706, 5533157, 6323608, 7114059, 7904510, 9485412, 11066314, 11856765, 14228118, 15809020, 16599471, 18970824, 22132628, 23713530, 27665785, 28456236, 31618040, 33198942, 35570295, 44265256, 47427060, 49798413, 55331570, 56912472, 66397884, 71140590, 82997355, 94854120, 99596826, 110663140, 132795768, 142281180, 165994710, 199193652, 221326280, 248992065, 284562360, 331989420, 398387304, 497984130, 663978840, 995968260, 1991936520]

約数ペア:

[(1, 1991936520), (2, 995968260), (3, 663978840), (4, 497984130), (5, 398387304), (6, 331989420), (7, 284562360), (8, 248992065), (9, 221326280), (10, 199193652), (12, 165994710), (14, 142281180), (15, 132795768), (18, 110663140), (20, 99596826), (21, 94854120), (24, 82997355), (28, 71140590), (30, 66397884), (35, 56912472), (36, 55331570), (40, 49798413), (42, 47427060), (45, 44265256), (56, 35570295), (60, 33198942), (63, 31618040), (70, 28456236), (72, 27665785), (84, 23713530), (90, 22132628), (105, 18970824), (120, 16599471), (126, 15809020), (140, 14228118), (168, 11856765), (180, 11066314), (210, 9485412), (252, 7904510), (280, 7114059), (315, 6323608), (360, 5533157), (420, 4742706), (504, 3952255), (630, 3161804), (840, 2371353), (1260, 1580902), (2520, 790451)]