771877680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14821}}^1$

素因数の和:14875

約数の個数: 160

約数和(自身を含む): 2823057408

約数和(自身を除く): 2051179728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 8680, 10416, 13020, 14821, 17360, 26040, 29642, 44463, 52080, 59284, 74105, 88926, 103747, 118568, 148210, 177852, 207494, 222315, 237136, 296420, 311241, 355704, 414988, 444630, 459451, 518735, 592840, 622482, 711408, 829976, 889260, 918902, 1037470, 1185680, 1244964, 1378353, 1556205, 1659952, 1778520, 1837804, 2074940, 2297255, 2489928, 2756706, 3112410, 3216157, 3557040, 3675608, 4149880, 4594510, 4979856, 5513412, 6224820, 6432314, 6891765, 7351216, 8299760, 9189020, 9648471, 11026824, 12449640, 12864628, 13783530, 16080785, 18378040, 19296942, 22053648, 24899280, 25729256, 27567060, 32161570, 36756080, 38593884, 48242355, 51458512, 55134120, 64323140, 77187768, 96484710, 110268240, 128646280, 154375536, 192969420, 257292560, 385938840, 771877680]

約数ペア:

[(1, 771877680), (2, 385938840), (3, 257292560), (4, 192969420), (5, 154375536), (6, 128646280), (7, 110268240), (8, 96484710), (10, 77187768), (12, 64323140), (14, 55134120), (15, 51458512), (16, 48242355), (20, 38593884), (21, 36756080), (24, 32161570), (28, 27567060), (30, 25729256), (31, 24899280), (35, 22053648), (40, 19296942), (42, 18378040), (48, 16080785), (56, 13783530), (60, 12864628), (62, 12449640), (70, 11026824), (80, 9648471), (84, 9189020), (93, 8299760), (105, 7351216), (112, 6891765), (120, 6432314), (124, 6224820), (140, 5513412), (155, 4979856), (168, 4594510), (186, 4149880), (210, 3675608), (217, 3557040), (240, 3216157), (248, 3112410), (280, 2756706), (310, 2489928), (336, 2297255), (372, 2074940), (420, 1837804), (434, 1778520), (465, 1659952), (496, 1556205), (560, 1378353), (620, 1244964), (651, 1185680), (744, 1037470), (840, 918902), (868, 889260), (930, 829976), (1085, 711408), (1240, 622482), (1302, 592840), (1488, 518735), (1680, 459451), (1736, 444630), (1860, 414988), (2170, 355704), (2480, 311241), (2604, 296420), (3255, 237136), (3472, 222315), (3720, 207494), (4340, 177852), (5208, 148210), (6510, 118568), (7440, 103747), (8680, 88926), (10416, 74105), (13020, 59284), (14821, 52080), (17360, 44463), (26040, 29642)]