240147390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1082

約数の個数: 128

約数和(自身を含む): 699015168

約数和(自身を除く): 458867778

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 37, 42, 62, 70, 74, 93, 105, 111, 155, 185, 186, 210, 217, 222, 259, 310, 370, 434, 465, 518, 555, 651, 777, 930, 997, 1085, 1110, 1147, 1295, 1302, 1554, 1994, 2170, 2294, 2590, 2991, 3255, 3441, 3885, 4985, 5735, 5982, 6510, 6882, 6979, 7770, 8029, 9970, 11470, 13958, 14955, 16058, 17205, 20937, 24087, 29910, 30907, 34410, 34895, 36889, 40145, 41874, 48174, 61814, 69790, 73778, 80290, 92721, 104685, 110667, 120435, 154535, 184445, 185442, 209370, 216349, 221334, 240870, 258223, 309070, 368890, 432698, 463605, 516446, 553335, 649047, 774669, 927210, 1081745, 1106670, 1143559, 1291115, 1298094, 1549338, 2163490, 2287118, 2582230, 3245235, 3430677, 3873345, 5717795, 6490470, 6861354, 7746690, 8004913, 11435590, 16009826, 17153385, 24014739, 34306770, 40024565, 48029478, 80049130, 120073695, 240147390]

約数ペア:

[(1, 240147390), (2, 120073695), (3, 80049130), (5, 48029478), (6, 40024565), (7, 34306770), (10, 24014739), (14, 17153385), (15, 16009826), (21, 11435590), (30, 8004913), (31, 7746690), (35, 6861354), (37, 6490470), (42, 5717795), (62, 3873345), (70, 3430677), (74, 3245235), (93, 2582230), (105, 2287118), (111, 2163490), (155, 1549338), (185, 1298094), (186, 1291115), (210, 1143559), (217, 1106670), (222, 1081745), (259, 927210), (310, 774669), (370, 649047), (434, 553335), (465, 516446), (518, 463605), (555, 432698), (651, 368890), (777, 309070), (930, 258223), (997, 240870), (1085, 221334), (1110, 216349), (1147, 209370), (1295, 185442), (1302, 184445), (1554, 154535), (1994, 120435), (2170, 110667), (2294, 104685), (2590, 92721), (2991, 80290), (3255, 73778), (3441, 69790), (3885, 61814), (4985, 48174), (5735, 41874), (5982, 40145), (6510, 36889), (6882, 34895), (6979, 34410), (7770, 30907), (8029, 29910), (9970, 24087), (11470, 20937), (13958, 17205), (14955, 16058)]