168690840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 527800320

約数和(自身を除く): 359109480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 137, 155, 186, 248, 274, 310, 331, 372, 411, 465, 548, 620, 662, 685, 744, 822, 930, 993, 1096, 1240, 1324, 1370, 1644, 1655, 1860, 1986, 2055, 2648, 2740, 3288, 3310, 3720, 3972, 4110, 4247, 4965, 5480, 6620, 7944, 8220, 8494, 9930, 10261, 12741, 13240, 16440, 16988, 19860, 20522, 21235, 25482, 30783, 33976, 39720, 41044, 42470, 45347, 50964, 51305, 61566, 63705, 82088, 84940, 90694, 101928, 102610, 123132, 127410, 136041, 153915, 169880, 181388, 205220, 226735, 246264, 254820, 272082, 307830, 362776, 410440, 453470, 509640, 544164, 615660, 680205, 906940, 1088328, 1231320, 1360410, 1405757, 1813880, 2720820, 2811514, 4217271, 5441640, 5623028, 7028785, 8434542, 11246056, 14057570, 16869084, 21086355, 28115140, 33738168, 42172710, 56230280, 84345420, 168690840]

約数ペア:

[(1, 168690840), (2, 84345420), (3, 56230280), (4, 42172710), (5, 33738168), (6, 28115140), (8, 21086355), (10, 16869084), (12, 14057570), (15, 11246056), (20, 8434542), (24, 7028785), (30, 5623028), (31, 5441640), (40, 4217271), (60, 2811514), (62, 2720820), (93, 1813880), (120, 1405757), (124, 1360410), (137, 1231320), (155, 1088328), (186, 906940), (248, 680205), (274, 615660), (310, 544164), (331, 509640), (372, 453470), (411, 410440), (465, 362776), (548, 307830), (620, 272082), (662, 254820), (685, 246264), (744, 226735), (822, 205220), (930, 181388), (993, 169880), (1096, 153915), (1240, 136041), (1324, 127410), (1370, 123132), (1644, 102610), (1655, 101928), (1860, 90694), (1986, 84940), (2055, 82088), (2648, 63705), (2740, 61566), (3288, 51305), (3310, 50964), (3720, 45347), (3972, 42470), (4110, 41044), (4247, 39720), (4965, 33976), (5480, 30783), (6620, 25482), (7944, 21235), (8220, 20522), (8494, 19860), (9930, 16988), (10261, 16440), (12741, 13240)]