268975840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 767950848

約数和(自身を除く): 498975008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 127, 140, 155, 160, 217, 224, 244, 248, 254, 280, 305, 310, 427, 434, 488, 496, 508, 560, 610, 620, 635, 854, 868, 889, 976, 992, 1016, 1085, 1120, 1220, 1240, 1270, 1708, 1736, 1778, 1891, 1952, 2032, 2135, 2170, 2440, 2480, 2540, 3416, 3472, 3556, 3782, 3937, 4064, 4270, 4340, 4445, 4880, 4960, 5080, 6832, 6944, 7112, 7564, 7747, 7874, 8540, 8680, 8890, 9455, 9760, 10160, 13237, 13664, 14224, 15128, 15494, 15748, 17080, 17360, 17780, 18910, 19685, 20320, 26474, 27559, 28448, 30256, 30988, 31496, 34160, 34720, 35560, 37820, 38735, 39370, 52948, 54229, 55118, 60512, 61976, 62992, 66185, 68320, 71120, 75640, 77470, 78740, 105896, 108458, 110236, 123952, 125984, 132370, 137795, 142240, 151280, 154940, 157480, 211792, 216916, 220472, 240157, 247904, 264740, 271145, 275590, 302560, 309880, 314960, 423584, 433832, 440944, 480314, 529480, 542290, 551180, 619760, 629920, 867664, 881888, 960628, 1058960, 1084580, 1102360, 1200785, 1239520, 1681099, 1735328, 1921256, 2117920, 2169160, 2204720, 2401570, 3362198, 3842512, 4338320, 4409440, 4803140, 6724396, 7685024, 8405495, 8676640, 9606280, 13448792, 16810990, 19212560, 26897584, 33621980, 38425120, 53795168, 67243960, 134487920, 268975840]

約数ペア:

[(1, 268975840), (2, 134487920), (4, 67243960), (5, 53795168), (7, 38425120), (8, 33621980), (10, 26897584), (14, 19212560), (16, 16810990), (20, 13448792), (28, 9606280), (31, 8676640), (32, 8405495), (35, 7685024), (40, 6724396), (56, 4803140), (61, 4409440), (62, 4338320), (70, 3842512), (80, 3362198), (112, 2401570), (122, 2204720), (124, 2169160), (127, 2117920), (140, 1921256), (155, 1735328), (160, 1681099), (217, 1239520), (224, 1200785), (244, 1102360), (248, 1084580), (254, 1058960), (280, 960628), (305, 881888), (310, 867664), (427, 629920), (434, 619760), (488, 551180), (496, 542290), (508, 529480), (560, 480314), (610, 440944), (620, 433832), (635, 423584), (854, 314960), (868, 309880), (889, 302560), (976, 275590), (992, 271145), (1016, 264740), (1085, 247904), (1120, 240157), (1220, 220472), (1240, 216916), (1270, 211792), (1708, 157480), (1736, 154940), (1778, 151280), (1891, 142240), (1952, 137795), (2032, 132370), (2135, 125984), (2170, 123952), (2440, 110236), (2480, 108458), (2540, 105896), (3416, 78740), (3472, 77470), (3556, 75640), (3782, 71120), (3937, 68320), (4064, 66185), (4270, 62992), (4340, 61976), (4445, 60512), (4880, 55118), (4960, 54229), (5080, 52948), (6832, 39370), (6944, 38735), (7112, 37820), (7564, 35560), (7747, 34720), (7874, 34160), (8540, 31496), (8680, 30988), (8890, 30256), (9455, 28448), (9760, 27559), (10160, 26474), (13237, 20320), (13664, 19685), (14224, 18910), (15128, 17780), (15494, 17360), (15748, 17080)]