201731880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 256

約数和(自身を含む): 731381760

約数和(自身を除く): 529649880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 61, 62, 70, 84, 93, 105, 120, 122, 124, 127, 140, 155, 168, 183, 186, 210, 217, 244, 248, 254, 280, 305, 310, 366, 372, 381, 420, 427, 434, 465, 488, 508, 610, 620, 635, 651, 732, 744, 762, 840, 854, 868, 889, 915, 930, 1016, 1085, 1220, 1240, 1270, 1281, 1302, 1464, 1524, 1708, 1736, 1778, 1830, 1860, 1891, 1905, 2135, 2170, 2440, 2540, 2562, 2604, 2667, 3048, 3255, 3416, 3556, 3660, 3720, 3782, 3810, 3937, 4270, 4340, 4445, 5080, 5124, 5208, 5334, 5673, 6405, 6510, 7112, 7320, 7564, 7620, 7747, 7874, 8540, 8680, 8890, 9455, 10248, 10668, 11346, 11811, 12810, 13020, 13237, 13335, 15128, 15240, 15494, 15748, 17080, 17780, 18910, 19685, 21336, 22692, 23241, 23622, 25620, 26040, 26474, 26670, 27559, 28365, 30988, 31496, 35560, 37820, 38735, 39370, 39711, 45384, 46482, 47244, 51240, 52948, 53340, 54229, 55118, 56730, 59055, 61976, 66185, 75640, 77470, 78740, 79422, 82677, 92964, 94488, 105896, 106680, 108458, 110236, 113460, 116205, 118110, 132370, 137795, 154940, 157480, 158844, 162687, 165354, 185928, 198555, 216916, 220472, 226920, 232410, 236220, 240157, 264740, 271145, 275590, 309880, 317688, 325374, 330708, 397110, 413385, 433832, 464820, 472440, 480314, 529480, 542290, 551180, 650748, 661416, 720471, 794220, 813435, 826770, 929640, 960628, 1084580, 1102360, 1200785, 1301496, 1440942, 1588440, 1626870, 1653540, 1681099, 1921256, 2169160, 2401570, 2881884, 3253740, 3307080, 3362198, 3602355, 4803140, 5043297, 5763768, 6507480, 6724396, 7204710, 8405495, 9606280, 10086594, 13448792, 14409420, 16810990, 20173188, 25216485, 28818840, 33621980, 40346376, 50432970, 67243960, 100865940, 201731880]

約数ペア:

[(1, 201731880), (2, 100865940), (3, 67243960), (4, 50432970), (5, 40346376), (6, 33621980), (7, 28818840), (8, 25216485), (10, 20173188), (12, 16810990), (14, 14409420), (15, 13448792), (20, 10086594), (21, 9606280), (24, 8405495), (28, 7204710), (30, 6724396), (31, 6507480), (35, 5763768), (40, 5043297), (42, 4803140), (56, 3602355), (60, 3362198), (61, 3307080), (62, 3253740), (70, 2881884), (84, 2401570), (93, 2169160), (105, 1921256), (120, 1681099), (122, 1653540), (124, 1626870), (127, 1588440), (140, 1440942), (155, 1301496), (168, 1200785), (183, 1102360), (186, 1084580), (210, 960628), (217, 929640), (244, 826770), (248, 813435), (254, 794220), (280, 720471), (305, 661416), (310, 650748), (366, 551180), (372, 542290), (381, 529480), (420, 480314), (427, 472440), (434, 464820), (465, 433832), (488, 413385), (508, 397110), (610, 330708), (620, 325374), (635, 317688), (651, 309880), (732, 275590), (744, 271145), (762, 264740), (840, 240157), (854, 236220), (868, 232410), (889, 226920), (915, 220472), (930, 216916), (1016, 198555), (1085, 185928), (1220, 165354), (1240, 162687), (1270, 158844), (1281, 157480), (1302, 154940), (1464, 137795), (1524, 132370), (1708, 118110), (1736, 116205), (1778, 113460), (1830, 110236), (1860, 108458), (1891, 106680), (1905, 105896), (2135, 94488), (2170, 92964), (2440, 82677), (2540, 79422), (2562, 78740), (2604, 77470), (2667, 75640), (3048, 66185), (3255, 61976), (3416, 59055), (3556, 56730), (3660, 55118), (3720, 54229), (3782, 53340), (3810, 52948), (3937, 51240), (4270, 47244), (4340, 46482), (4445, 45384), (5080, 39711), (5124, 39370), (5208, 38735), (5334, 37820), (5673, 35560), (6405, 31496), (6510, 30988), (7112, 28365), (7320, 27559), (7564, 26670), (7620, 26474), (7747, 26040), (7874, 25620), (8540, 23622), (8680, 23241), (8890, 22692), (9455, 21336), (10248, 19685), (10668, 18910), (11346, 17780), (11811, 17080), (12810, 15748), (13020, 15494), (13237, 15240), (13335, 15128)]