51741480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2039

約数の個数: 128

約数和(自身を含む): 183214080

約数和(自身を除く): 131472600

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, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 1987, 2170, 2604, 3255, 3720, 3974, 4340, 5208, 5961, 6510, 7948, 8680, 9935, 11922, 13020, 13909, 15896, 19870, 23844, 26040, 27818, 29805, 39740, 41727, 47688, 55636, 59610, 61597, 69545, 79480, 83454, 111272, 119220, 123194, 139090, 166908, 184791, 208635, 238440, 246388, 278180, 307985, 333816, 369582, 417270, 431179, 492776, 556360, 615970, 739164, 834540, 862358, 923955, 1231940, 1293537, 1478328, 1669080, 1724716, 1847910, 2155895, 2463880, 2587074, 3449432, 3695820, 4311790, 5174148, 6467685, 7391640, 8623580, 10348296, 12935370, 17247160, 25870740, 51741480]

約数ペア:

[(1, 51741480), (2, 25870740), (3, 17247160), (4, 12935370), (5, 10348296), (6, 8623580), (7, 7391640), (8, 6467685), (10, 5174148), (12, 4311790), (14, 3695820), (15, 3449432), (20, 2587074), (21, 2463880), (24, 2155895), (28, 1847910), (30, 1724716), (31, 1669080), (35, 1478328), (40, 1293537), (42, 1231940), (56, 923955), (60, 862358), (62, 834540), (70, 739164), (84, 615970), (93, 556360), (105, 492776), (120, 431179), (124, 417270), (140, 369582), (155, 333816), (168, 307985), (186, 278180), (210, 246388), (217, 238440), (248, 208635), (280, 184791), (310, 166908), (372, 139090), (420, 123194), (434, 119220), (465, 111272), (620, 83454), (651, 79480), (744, 69545), (840, 61597), (868, 59610), (930, 55636), (1085, 47688), (1240, 41727), (1302, 39740), (1736, 29805), (1860, 27818), (1987, 26040), (2170, 23844), (2604, 19870), (3255, 15896), (3720, 13909), (3974, 13020), (4340, 11922), (5208, 9935), (5961, 8680), (6510, 7948)]