218397480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8387}}^1$

素因数の和:8439

約数の個数: 128

約数和(自身を含む): 773038080

約数和(自身を除く): 554640600

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, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8387, 8680, 13020, 16774, 25161, 26040, 33548, 41935, 50322, 58709, 67096, 83870, 100644, 117418, 125805, 167740, 176127, 201288, 234836, 251610, 259997, 293545, 335480, 352254, 469672, 503220, 519994, 587090, 704508, 779991, 880635, 1006440, 1039988, 1174180, 1299985, 1409016, 1559982, 1761270, 1819979, 2079976, 2348360, 2599970, 3119964, 3522540, 3639958, 3899955, 5199940, 5459937, 6239928, 7045080, 7279916, 7799910, 9099895, 10399880, 10919874, 14559832, 15599820, 18199790, 21839748, 27299685, 31199640, 36399580, 43679496, 54599370, 72799160, 109198740, 218397480]

約数ペア:

[(1, 218397480), (2, 109198740), (3, 72799160), (4, 54599370), (5, 43679496), (6, 36399580), (7, 31199640), (8, 27299685), (10, 21839748), (12, 18199790), (14, 15599820), (15, 14559832), (20, 10919874), (21, 10399880), (24, 9099895), (28, 7799910), (30, 7279916), (31, 7045080), (35, 6239928), (40, 5459937), (42, 5199940), (56, 3899955), (60, 3639958), (62, 3522540), (70, 3119964), (84, 2599970), (93, 2348360), (105, 2079976), (120, 1819979), (124, 1761270), (140, 1559982), (155, 1409016), (168, 1299985), (186, 1174180), (210, 1039988), (217, 1006440), (248, 880635), (280, 779991), (310, 704508), (372, 587090), (420, 519994), (434, 503220), (465, 469672), (620, 352254), (651, 335480), (744, 293545), (840, 259997), (868, 251610), (930, 234836), (1085, 201288), (1240, 176127), (1302, 167740), (1736, 125805), (1860, 117418), (2170, 100644), (2604, 83870), (3255, 67096), (3720, 58709), (4340, 50322), (5208, 41935), (6510, 33548), (8387, 26040), (8680, 25161), (13020, 16774)]